diff --git a/Libraries/LibWeb/CSS/Parser/ValueParsing.cpp b/Libraries/LibWeb/CSS/Parser/ValueParsing.cpp
index eb68681a3eb..e9772ad1cd4 100644
--- a/Libraries/LibWeb/CSS/Parser/ValueParsing.cpp
+++ b/Libraries/LibWeb/CSS/Parser/ValueParsing.cpp
@@ -1936,7 +1936,7 @@ RefPtr<CSSStyleValue const> Parser::parse_color_value(TokenStream<ComponentValue
         }
         for (auto i = 1u; i < m_value_context.size() && quirky_color_allowed; i++) {
             quirky_color_allowed = m_value_context[i].visit(
-                [](PropertyID const& property_id) { return property_has_quirk(property_id, Quirk::UnitlessLength); },
+                [](PropertyID const& property_id) { return property_has_quirk(property_id, Quirk::HashlessHexColor); },
                 [](FunctionContext const&) { return false; },
                 [](DescriptorContext const&) { return false; });
         }
diff --git a/Tests/LibWeb/Text/expected/wpt-import/quirks/hashless-hex-color/quirks.txt b/Tests/LibWeb/Text/expected/wpt-import/quirks/hashless-hex-color/quirks.txt
new file mode 100644
index 00000000000..4116bb7bb0b
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/quirks/hashless-hex-color/quirks.txt
@@ -0,0 +1,697 @@
+Harness status: OK
+
+Found 692 tests
+
+692 Pass
+Pass	123
+Pass	123 (SVG)
+Pass	023
+Pass	023 (SVG)
+Pass	003
+Pass	003 (SVG)
+Pass	000
+Pass	000 (SVG)
+Pass	abc
+Pass	abc (SVG)
+Pass	ABC
+Pass	ABC (SVG)
+Pass	1ab
+Pass	1ab (SVG)
+Pass	1AB
+Pass	1AB (SVG)
+Pass	112233
+Pass	112233 (SVG)
+Pass	012233
+Pass	012233 (SVG)
+Pass	002233
+Pass	002233 (SVG)
+Pass	000233
+Pass	000233 (SVG)
+Pass	000033
+Pass	000033 (SVG)
+Pass	000003
+Pass	000003 (SVG)
+Pass	000000
+Pass	000000 (SVG)
+Pass	aabbcc
+Pass	aabbcc (SVG)
+Pass	AABBCC
+Pass	AABBCC (SVG)
+Pass	11aabb
+Pass	11aabb (SVG)
+Pass	11AABB
+Pass	11AABB (SVG)
+Pass	\31 23
+Pass	\31 23 (SVG)
+Pass	\61 bc
+Pass	\61 bc (SVG)
+Pass	\41 BC
+Pass	\41 BC (SVG)
+Pass	\31 ab
+Pass	\31 ab (SVG)
+Pass	\31 AB
+Pass	\31 AB (SVG)
+Pass	\31 12233
+Pass	\31 12233 (SVG)
+Pass	\61 abbcc
+Pass	\61 abbcc (SVG)
+Pass	\41 ABBCC
+Pass	\41 ABBCC (SVG)
+Pass	\31 1aabb
+Pass	\31 1aabb (SVG)
+Pass	\31 1AABB
+Pass	\31 1AABB (SVG)
+Pass	12\33 
+Pass	12\33  (SVG)
+Pass	1
+Pass	1 (SVG)
+Pass	12
+Pass	12 (SVG)
+Pass	1234
+Pass	1234 (SVG)
+Pass	12345
+Pass	12345 (SVG)
+Pass	1234567
+Pass	1234567 (SVG)
+Pass	12345678
+Pass	12345678 (SVG)
+Pass	a
+Pass	a (SVG)
+Pass	aa
+Pass	aa (SVG)
+Pass	aaaa
+Pass	aaaa (SVG)
+Pass	aaaaa
+Pass	aaaaa (SVG)
+Pass	aaaaaaa
+Pass	aaaaaaa (SVG)
+Pass	aaaaaaaa
+Pass	aaaaaaaa (SVG)
+Pass	A
+Pass	A (SVG)
+Pass	AA
+Pass	AA (SVG)
+Pass	AAAA
+Pass	AAAA (SVG)
+Pass	AAAAA
+Pass	AAAAA (SVG)
+Pass	AAAAAAA
+Pass	AAAAAAA (SVG)
+Pass	AAAAAAAA
+Pass	AAAAAAAA (SVG)
+Pass	1a
+Pass	1a (SVG)
+Pass	1abc
+Pass	1abc (SVG)
+Pass	1abcd
+Pass	1abcd (SVG)
+Pass	1abcdef
+Pass	1abcdef (SVG)
+Pass	1abcdeff
+Pass	1abcdeff (SVG)
+Pass	+1
+Pass	+1 (SVG)
+Pass	+12
+Pass	+12 (SVG)
+Pass	+123
+Pass	+123 (SVG)
+Pass	+1234
+Pass	+1234 (SVG)
+Pass	+12345
+Pass	+12345 (SVG)
+Pass	+123456
+Pass	+123456 (SVG)
+Pass	+1234567
+Pass	+1234567 (SVG)
+Pass	+12345678
+Pass	+12345678 (SVG)
+Pass	-1
+Pass	-1 (SVG)
+Pass	-12
+Pass	-12 (SVG)
+Pass	-123
+Pass	-123 (SVG)
+Pass	-1234
+Pass	-1234 (SVG)
+Pass	-12345
+Pass	-12345 (SVG)
+Pass	-123456
+Pass	-123456 (SVG)
+Pass	-1234567
+Pass	-1234567 (SVG)
+Pass	-12345678
+Pass	-12345678 (SVG)
+Pass	+1a
+Pass	+1a (SVG)
+Pass	+12a
+Pass	+12a (SVG)
+Pass	+123a
+Pass	+123a (SVG)
+Pass	+1234a
+Pass	+1234a (SVG)
+Pass	+12345a
+Pass	+12345a (SVG)
+Pass	+123456a
+Pass	+123456a (SVG)
+Pass	+1234567a
+Pass	+1234567a (SVG)
+Pass	-1a
+Pass	-1a (SVG)
+Pass	-12a
+Pass	-12a (SVG)
+Pass	-123a
+Pass	-123a (SVG)
+Pass	-1234a
+Pass	-1234a (SVG)
+Pass	-12345a
+Pass	-12345a (SVG)
+Pass	-123456a
+Pass	-123456a (SVG)
+Pass	-1234567a
+Pass	-1234567a (SVG)
+Pass	-12345678a
+Pass	-12345678a (SVG)
+Pass	+1A
+Pass	+1A (SVG)
+Pass	+12A
+Pass	+12A (SVG)
+Pass	+123A
+Pass	+123A (SVG)
+Pass	+1234A
+Pass	+1234A (SVG)
+Pass	+12345A
+Pass	+12345A (SVG)
+Pass	+123456A
+Pass	+123456A (SVG)
+Pass	+1234567A
+Pass	+1234567A (SVG)
+Pass	-1A
+Pass	-1A (SVG)
+Pass	-12A
+Pass	-12A (SVG)
+Pass	-123A
+Pass	-123A (SVG)
+Pass	-1234A
+Pass	-1234A (SVG)
+Pass	-12345A
+Pass	-12345A (SVG)
+Pass	-123456A
+Pass	-123456A (SVG)
+Pass	-1234567A
+Pass	-1234567A (SVG)
+Pass	-12345678A
+Pass	-12345678A (SVG)
+Pass	+a
+Pass	+a (SVG)
+Pass	+aa
+Pass	+aa (SVG)
+Pass	+aaa
+Pass	+aaa (SVG)
+Pass	+aaaa
+Pass	+aaaa (SVG)
+Pass	+aaaaa
+Pass	+aaaaa (SVG)
+Pass	+aaaaaa
+Pass	+aaaaaa (SVG)
+Pass	+aaaaaaa
+Pass	+aaaaaaa (SVG)
+Pass	+aaaaaaaa
+Pass	+aaaaaaaa (SVG)
+Pass	-a
+Pass	-a (SVG)
+Pass	-aa
+Pass	-aa (SVG)
+Pass	-aaa
+Pass	-aaa (SVG)
+Pass	-aaaa
+Pass	-aaaa (SVG)
+Pass	-aaaaa
+Pass	-aaaaa (SVG)
+Pass	-aaaaaa
+Pass	-aaaaaa (SVG)
+Pass	-aaaaaaa
+Pass	-aaaaaaa (SVG)
+Pass	-aaaaaaaa
+Pass	-aaaaaaaa (SVG)
+Pass	-aaaaaaaaa
+Pass	-aaaaaaaaa (SVG)
+Pass	+A
+Pass	+A (SVG)
+Pass	+AA
+Pass	+AA (SVG)
+Pass	+AAA
+Pass	+AAA (SVG)
+Pass	+AAAA
+Pass	+AAAA (SVG)
+Pass	+AAAAA
+Pass	+AAAAA (SVG)
+Pass	+AAAAAA
+Pass	+AAAAAA (SVG)
+Pass	+AAAAAAA
+Pass	+AAAAAAA (SVG)
+Pass	+AAAAAAAA
+Pass	+AAAAAAAA (SVG)
+Pass	-A
+Pass	-A (SVG)
+Pass	-AA
+Pass	-AA (SVG)
+Pass	-AAA
+Pass	-AAA (SVG)
+Pass	-AAAA
+Pass	-AAAA (SVG)
+Pass	-AAAAA
+Pass	-AAAAA (SVG)
+Pass	-AAAAAA
+Pass	-AAAAAA (SVG)
+Pass	-AAAAAAA
+Pass	-AAAAAAA (SVG)
+Pass	-AAAAAAAA
+Pass	-AAAAAAAA (SVG)
+Pass	-AAAAAAAAA
+Pass	-AAAAAAAAA (SVG)
+Pass	1.1
+Pass	1.1 (SVG)
+Pass	1.11
+Pass	1.11 (SVG)
+Pass	1.111
+Pass	1.111 (SVG)
+Pass	1.1111
+Pass	1.1111 (SVG)
+Pass	1.11111
+Pass	1.11111 (SVG)
+Pass	1.111111
+Pass	1.111111 (SVG)
+Pass	1.1111111
+Pass	1.1111111 (SVG)
+Pass	+1.1
+Pass	+1.1 (SVG)
+Pass	+1.11
+Pass	+1.11 (SVG)
+Pass	+1.111
+Pass	+1.111 (SVG)
+Pass	+1.1111
+Pass	+1.1111 (SVG)
+Pass	+1.11111
+Pass	+1.11111 (SVG)
+Pass	+1.111111
+Pass	+1.111111 (SVG)
+Pass	+1.1111111
+Pass	+1.1111111 (SVG)
+Pass	-1.1
+Pass	-1.1 (SVG)
+Pass	-1.11
+Pass	-1.11 (SVG)
+Pass	-1.111
+Pass	-1.111 (SVG)
+Pass	-1.1111
+Pass	-1.1111 (SVG)
+Pass	-1.11111
+Pass	-1.11111 (SVG)
+Pass	-1.111111
+Pass	-1.111111 (SVG)
+Pass	-1.1111111
+Pass	-1.1111111 (SVG)
+Pass	1.1a
+Pass	1.1a (SVG)
+Pass	1.11a
+Pass	1.11a (SVG)
+Pass	1.111a
+Pass	1.111a (SVG)
+Pass	1.1111a
+Pass	1.1111a (SVG)
+Pass	1.11111a
+Pass	1.11111a (SVG)
+Pass	1.111111a
+Pass	1.111111a (SVG)
+Pass	+1.1a
+Pass	+1.1a (SVG)
+Pass	+1.11a
+Pass	+1.11a (SVG)
+Pass	+1.111a
+Pass	+1.111a (SVG)
+Pass	+1.1111a
+Pass	+1.1111a (SVG)
+Pass	+1.11111a
+Pass	+1.11111a (SVG)
+Pass	+1.111111a
+Pass	+1.111111a (SVG)
+Pass	-1.1a
+Pass	-1.1a (SVG)
+Pass	-1.11a
+Pass	-1.11a (SVG)
+Pass	-1.111a
+Pass	-1.111a (SVG)
+Pass	-1.1111a
+Pass	-1.1111a (SVG)
+Pass	-1.11111a
+Pass	-1.11111a (SVG)
+Pass	-1.111111a
+Pass	-1.111111a (SVG)
+Pass	1.0
+Pass	1.0 (SVG)
+Pass	11.0
+Pass	11.0 (SVG)
+Pass	111.0
+Pass	111.0 (SVG)
+Pass	1111.0
+Pass	1111.0 (SVG)
+Pass	11111.0
+Pass	11111.0 (SVG)
+Pass	111111.0
+Pass	111111.0 (SVG)
+Pass	1111111.0
+Pass	1111111.0 (SVG)
+Pass	11111111.0
+Pass	11111111.0 (SVG)
+Pass	+1.0
+Pass	+1.0 (SVG)
+Pass	+11.0
+Pass	+11.0 (SVG)
+Pass	+111.0
+Pass	+111.0 (SVG)
+Pass	+1111.0
+Pass	+1111.0 (SVG)
+Pass	+11111.0
+Pass	+11111.0 (SVG)
+Pass	+111111.0
+Pass	+111111.0 (SVG)
+Pass	+1111111.0
+Pass	+1111111.0 (SVG)
+Pass	+11111111.0
+Pass	+11111111.0 (SVG)
+Pass	-1.0
+Pass	-1.0 (SVG)
+Pass	-11.0
+Pass	-11.0 (SVG)
+Pass	-111.0
+Pass	-111.0 (SVG)
+Pass	-1111.0
+Pass	-1111.0 (SVG)
+Pass	-11111.0
+Pass	-11111.0 (SVG)
+Pass	-111111.0
+Pass	-111111.0 (SVG)
+Pass	-1111111.0
+Pass	-1111111.0 (SVG)
+Pass	-11111111.0
+Pass	-11111111.0 (SVG)
+Pass	1.0a
+Pass	1.0a (SVG)
+Pass	11.0a
+Pass	11.0a (SVG)
+Pass	111.0a
+Pass	111.0a (SVG)
+Pass	1111.0a
+Pass	1111.0a (SVG)
+Pass	11111.0a
+Pass	11111.0a (SVG)
+Pass	111111.0a
+Pass	111111.0a (SVG)
+Pass	1111111.0a
+Pass	1111111.0a (SVG)
+Pass	+1.0a
+Pass	+1.0a (SVG)
+Pass	+11.0a
+Pass	+11.0a (SVG)
+Pass	+111.0a
+Pass	+111.0a (SVG)
+Pass	+1111.0a
+Pass	+1111.0a (SVG)
+Pass	+11111.0a
+Pass	+11111.0a (SVG)
+Pass	+111111.0a
+Pass	+111111.0a (SVG)
+Pass	+1111111.0a
+Pass	+1111111.0a (SVG)
+Pass	-1.0a
+Pass	-1.0a (SVG)
+Pass	-11.0a
+Pass	-11.0a (SVG)
+Pass	-111.0a
+Pass	-111.0a (SVG)
+Pass	-1111.0a
+Pass	-1111.0a (SVG)
+Pass	-11111.0a
+Pass	-11111.0a (SVG)
+Pass	-111111.0a
+Pass	-111111.0a (SVG)
+Pass	-1111111.0a
+Pass	-1111111.0a (SVG)
+Pass	+/**/123
+Pass	+/**/123 (SVG)
+Pass	-/**/123
+Pass	-/**/123 (SVG)
+Pass	+/**/123456
+Pass	+/**/123456 (SVG)
+Pass	-/**/123456
+Pass	-/**/123456 (SVG)
+Pass	+/**/abc
+Pass	+/**/abc (SVG)
+Pass	-/**/abc
+Pass	-/**/abc (SVG)
+Pass	+/**/abcdef
+Pass	+/**/abcdef (SVG)
+Pass	-/**/abcdef
+Pass	-/**/abcdef (SVG)
+Pass	+/**/12a
+Pass	+/**/12a (SVG)
+Pass	-/**/12a
+Pass	-/**/12a (SVG)
+Pass	+/**/12345a
+Pass	+/**/12345a (SVG)
+Pass	-/**/12345a
+Pass	-/**/12345a (SVG)
+Pass	abg
+Pass	abg (SVG)
+Pass	aabbcg
+Pass	aabbcg (SVG)
+Pass	1ag
+Pass	1ag (SVG)
+Pass	1122ag
+Pass	1122ag (SVG)
+Pass	ABG
+Pass	ABG (SVG)
+Pass	AABBCG
+Pass	AABBCG (SVG)
+Pass	1AG
+Pass	1AG (SVG)
+Pass	1122AG
+Pass	1122AG (SVG)
+Pass	@a
+Pass	@a (SVG)
+Pass	@ab
+Pass	@ab (SVG)
+Pass	@abc
+Pass	@abc (SVG)
+Pass	@abcd
+Pass	@abcd (SVG)
+Pass	@abcde
+Pass	@abcde (SVG)
+Pass	@abcdef
+Pass	@abcdef (SVG)
+Pass	@1
+Pass	@1 (SVG)
+Pass	@11
+Pass	@11 (SVG)
+Pass	@111
+Pass	@111 (SVG)
+Pass	@1111
+Pass	@1111 (SVG)
+Pass	@11111
+Pass	@11111 (SVG)
+Pass	@111111
+Pass	@111111 (SVG)
+Pass	@1a
+Pass	@1a (SVG)
+Pass	@11a
+Pass	@11a (SVG)
+Pass	@111a
+Pass	@111a (SVG)
+Pass	@1111a
+Pass	@1111a (SVG)
+Pass	@11111a
+Pass	@11111a (SVG)
+Pass	"a"
+Pass	"a" (SVG)
+Pass	"ab"
+Pass	"ab" (SVG)
+Pass	"abc"
+Pass	"abc" (SVG)
+Pass	"abcd"
+Pass	"abcd" (SVG)
+Pass	"abcde"
+Pass	"abcde" (SVG)
+Pass	"abcdef"
+Pass	"abcdef" (SVG)
+Pass	"1"
+Pass	"1" (SVG)
+Pass	"11"
+Pass	"11" (SVG)
+Pass	"111"
+Pass	"111" (SVG)
+Pass	"1111"
+Pass	"1111" (SVG)
+Pass	"11111"
+Pass	"11111" (SVG)
+Pass	"111111"
+Pass	"111111" (SVG)
+Pass	"1a"
+Pass	"1a" (SVG)
+Pass	"11a"
+Pass	"11a" (SVG)
+Pass	"111a"
+Pass	"111a" (SVG)
+Pass	"1111a"
+Pass	"1111a" (SVG)
+Pass	"11111a"
+Pass	"11111a" (SVG)
+Pass	url(a)
+Pass	url(a) (SVG)
+Pass	url(aa)
+Pass	url(aa) (SVG)
+Pass	url(aaa)
+Pass	url(aaa) (SVG)
+Pass	url(aaaa)
+Pass	url(aaaa) (SVG)
+Pass	url(aaaaa)
+Pass	url(aaaaa) (SVG)
+Pass	url(aaaaaa)
+Pass	url(aaaaaa) (SVG)
+Pass	url('a')
+Pass	url('a') (SVG)
+Pass	url('aa')
+Pass	url('aa') (SVG)
+Pass	url('aaa')
+Pass	url('aaa') (SVG)
+Pass	url('aaaa')
+Pass	url('aaaa') (SVG)
+Pass	url('aaaaa')
+Pass	url('aaaaa') (SVG)
+Pass	url('aaaaaa')
+Pass	url('aaaaaa') (SVG)
+Pass	#a
+Pass	#a (SVG)
+Pass	#aa
+Pass	#aa (SVG)
+Pass	#aaaaa
+Pass	#aaaaa (SVG)
+Pass	#aaaaaaa
+Pass	#aaaaaaa (SVG)
+Pass	#1
+Pass	#1 (SVG)
+Pass	#11
+Pass	#11 (SVG)
+Pass	#11111
+Pass	#11111 (SVG)
+Pass	#1111111
+Pass	#1111111 (SVG)
+Pass	#1a
+Pass	#1a (SVG)
+Pass	#1111a
+Pass	#1111a (SVG)
+Pass	#111111a
+Pass	#111111a (SVG)
+Pass	1%
+Pass	1% (SVG)
+Pass	11%
+Pass	11% (SVG)
+Pass	111%
+Pass	111% (SVG)
+Pass	1111%
+Pass	1111% (SVG)
+Pass	11111%
+Pass	11111% (SVG)
+Pass	111111%
+Pass	111111% (SVG)
+Pass	calc(123)
+Pass	calc(123) (SVG)
+Pass	rgb(119, 255, 255)
+Pass	rgb(119, 255, 255) (SVG)
+Pass	rgba(119, 255, 255, 001)
+Pass	rgba(119, 255, 255, 001) (SVG)
+Pass	hsl(100, 100%, 100%)
+Pass	hsl(100, 100%, 100%) (SVG)
+Pass	hsla(100, 100%, 100%, 001)
+Pass	hsla(100, 100%, 100%, 001) (SVG)
+Pass	rgb(calc(100 + 155), 255, 255)
+Pass	rgb(calc(100 + 155), 255, 255) (SVG)
+Pass	rgba(calc(100 + 155), 255, 255, 001)
+Pass	rgba(calc(100 + 155), 255, 255, 001) (SVG)
+Pass	hsl(calc(050 + 050), 100%, 100%)
+Pass	hsl(calc(050 + 050), 100%, 100%) (SVG)
+Pass	hsla(calc(050 + 050), 100%, 100%, 001)
+Pass	hsla(calc(050 + 050), 100%, 100%, 001) (SVG)
+Pass	rgb(/**/255, 255, 255)
+Pass	rgb(/**/255, 255, 255) (SVG)
+Pass	rgb(/**/255/**/, /**/255/**/, /**/255/**/)
+Pass	rgb(/**/255/**/, /**/255/**/, /**/255/**/) (SVG)
+Pass	rgb(calc(/**/100/**/ + /**/155/**/), 255, 255)
+Pass	rgb(calc(/**/100/**/ + /**/155/**/), 255, 255) (SVG)
+Pass	#123 123 abc 12a
+Pass	#123 123 abc 12a (SVG)
+Pass	rgb(119, 255, 255) 123
+Pass	rgb(119, 255, 255) 123 (SVG)
+Pass	123 rgb(119, 255, 255)
+Pass	123 rgb(119, 255, 255) (SVG)
+Pass	1e1
+Pass	1e1 (SVG)
+Pass	11e1
+Pass	11e1 (SVG)
+Pass	111e1
+Pass	111e1 (SVG)
+Pass	1111e1
+Pass	1111e1 (SVG)
+Pass	11111e1
+Pass	11111e1 (SVG)
+Pass	111111e1
+Pass	111111e1 (SVG)
+Pass	1e+1
+Pass	1e+1 (SVG)
+Pass	11e+1
+Pass	11e+1 (SVG)
+Pass	111e+1
+Pass	111e+1 (SVG)
+Pass	1111e+1
+Pass	1111e+1 (SVG)
+Pass	11111e+1
+Pass	11111e+1 (SVG)
+Pass	111111e+1
+Pass	111111e+1 (SVG)
+Pass	1e-0
+Pass	1e-0 (SVG)
+Pass	11e-0
+Pass	11e-0 (SVG)
+Pass	111e-0
+Pass	111e-0 (SVG)
+Pass	1111e-0
+Pass	1111e-0 (SVG)
+Pass	11111e-0
+Pass	11111e-0 (SVG)
+Pass	111111e-0
+Pass	111111e-0 (SVG)
+Pass	1e1a
+Pass	1e1a (SVG)
+Pass	11e1a
+Pass	11e1a (SVG)
+Pass	111e1a
+Pass	111e1a (SVG)
+Pass	1111e1a
+Pass	1111e1a (SVG)
+Pass	11111e1a
+Pass	11111e1a (SVG)
+Pass	111111e1a
+Pass	111111e1a (SVG)
+Pass	1111111111...
+Pass	1111111111... (SVG)
+Pass	1111111111...a
+Pass	1111111111...a (SVG)
+Pass	a1111111111...
+Pass	a1111111111... (SVG)
+Pass	The hashless hex color quirk (quirks), excluded property background:abc
+Pass	The hashless hex color quirk (quirks), excluded property border-top:1px solid abc
+Pass	The hashless hex color quirk (quirks), excluded property border-right:1px solid abc
+Pass	The hashless hex color quirk (quirks), excluded property border-bottom:1px solid abc
+Pass	The hashless hex color quirk (quirks), excluded property border-left:1px solid abc
+Pass	The hashless hex color quirk (quirks), excluded property border:1px solid abc
+Pass	The hashless hex color quirk (quirks), excluded property outline-color:abc
+Pass	The hashless hex color quirk (quirks), excluded property outline:1px solid abc
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/input/wpt-import/quirks/hashless-hex-color/quirks.html b/Tests/LibWeb/Text/input/wpt-import/quirks/hashless-hex-color/quirks.html
new file mode 100644
index 00000000000..d2c6df61bb3
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/quirks/hashless-hex-color/quirks.html
@@ -0,0 +1,16 @@
+<!doctype html>
+<html>
+ <head>
+  <title>The hashless hex color quirk (quirks)</title>
+  <meta name="timeout" content="long">
+  <script src="../../resources/testharness.js"></script>
+  <script src="../../resources/testharnessreport.js"></script>
+  <style> iframe { width:20px; height:20px; } </style>
+ </head>
+ <body>
+  <div id=log></div>
+  <iframe class=quirks></iframe>
+  <script src=../support/test-ref-iframe.js></script>
+  <script src=support/common.js></script>
+ </body>
+</html>
diff --git a/Tests/LibWeb/Text/input/wpt-import/quirks/hashless-hex-color/support/common.js b/Tests/LibWeb/Text/input/wpt-import/quirks/hashless-hex-color/support/common.js
new file mode 100644
index 00000000000..eea618050da
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/quirks/hashless-hex-color/support/common.js
@@ -0,0 +1,423 @@
+setup({explicit_done:true});
+onload = function() {
+    setupIframe();
+
+    var tests = [
+    {input:"123", q:"#000123"},
+    {input:"023", q:"#000023"},
+    {input:"003", q:"#000003"},
+    {input:"000", q:"#000"},
+    {input:"abc", q:"#abc"},
+    {input:"ABC", q:"#abc"},
+    {input:"1ab", q:"#0001ab"},
+    {input:"1AB", q:"#0001ab"},
+    {input:"112233", q:"#123"},
+    {input:"012233", q:"#012233"},
+    {input:"002233", q:"#023"},
+    {input:"000233", q:"#000233"},
+    {input:"000033", q:"#003"},
+    {input:"000003", q:"#000003"},
+    {input:"000000", q:"#000000"},
+    {input:"aabbcc", q:"#abc"},
+    {input:"AABBCC", q:"#abc"},
+    {input:"11aabb", q:"#1ab"},
+    {input:"11AABB", q:"#1ab"},
+    {input:"\\31 23", q:"#123"},
+    {input:"\\61 bc", q:"#abc"},
+    {input:"\\41 BC", q:"#abc"},
+    {input:"\\31 ab", q:"#1ab"},
+    {input:"\\31 AB", q:"#1ab"},
+    {input:"\\31 12233", q:"#123"},
+    {input:"\\61 abbcc", q:"#abc"},
+    {input:"\\41 ABBCC", q:"#abc"},
+    {input:"\\31 1aabb", q:"#1ab"},
+    {input:"\\31 1AABB", q:"#1ab"},
+    {input:"12\\33 ", q:"#000123"},
+    {input:"1", q:"#000001"},
+    {input:"12", q:"#000012"},
+    {input:"1234", q:"#001234"},
+    {input:"12345", q:"#012345"},
+    {input:"1234567"},
+    {input:"12345678"},
+    {input:"a"},
+    {input:"aa"},
+    {input:"aaaa"},
+    {input:"aaaaa"},
+    {input:"aaaaaaa"},
+    {input:"aaaaaaaa"},
+    {input:"A"},
+    {input:"AA"},
+    {input:"AAAA"},
+    {input:"AAAAA"},
+    {input:"AAAAAAA"},
+    {input:"AAAAAAAA"},
+    {input:"1a", q:"#00001a"},
+    {input:"1abc", q:"#001abc"},
+    {input:"1abcd", q:"#01abcd"},
+    {input:"1abcdef"},
+    {input:"1abcdeff"},
+    {input:"+1", q:"#000001"},
+    {input:"+12", q:"#000012"},
+    {input:"+123", q:"#000123"},
+    {input:"+1234", q:"#001234"},
+    {input:"+12345", q:"#012345"},
+    {input:"+123456", q:"#123456"},
+    {input:"+1234567"},
+    {input:"+12345678"},
+    {input:"-1"},
+    {input:"-12"},
+    {input:"-123"},
+    {input:"-1234"},
+    {input:"-12345"},
+    {input:"-123456"},
+    {input:"-1234567"},
+    {input:"-12345678"},
+    {input:"+1a", q:"#00001a"},
+    {input:"+12a", q:"#00012a"},
+    {input:"+123a", q:"#00123a"},
+    {input:"+1234a", q:"#01234a"},
+    {input:"+12345a", q:"#12345a"},
+    {input:"+123456a"},
+    {input:"+1234567a"},
+    {input:"-1a"},
+    {input:"-12a"},
+    {input:"-123a"},
+    {input:"-1234a"},
+    {input:"-12345a"},
+    {input:"-123456a"},
+    {input:"-1234567a"},
+    {input:"-12345678a"},
+    {input:"+1A", q:"#00001a"},
+    {input:"+12A", q:"#00012a"},
+    {input:"+123A", q:"#00123a"},
+    {input:"+1234A", q:"#01234a"},
+    {input:"+12345A", q:"#12345a"},
+    {input:"+123456A"},
+    {input:"+1234567A"},
+    {input:"-1A"},
+    {input:"-12A"},
+    {input:"-123A"},
+    {input:"-1234A"},
+    {input:"-12345A"},
+    {input:"-123456A"},
+    {input:"-1234567A"},
+    {input:"-12345678A"},
+    {input:"+a"},
+    {input:"+aa"},
+    {input:"+aaa"},
+    {input:"+aaaa"},
+    {input:"+aaaaa"},
+    {input:"+aaaaaa"},
+    {input:"+aaaaaaa"},
+    {input:"+aaaaaaaa"},
+    {input:"-a"},
+    {input:"-aa"},
+    {input:"-aaa"},
+    {input:"-aaaa"},
+    {input:"-aaaaa"},
+    {input:"-aaaaaa"},
+    {input:"-aaaaaaa"},
+    {input:"-aaaaaaaa"},
+    {input:"-aaaaaaaaa"},
+    {input:"+A"},
+    {input:"+AA"},
+    {input:"+AAA"},
+    {input:"+AAAA"},
+    {input:"+AAAAA"},
+    {input:"+AAAAAA"},
+    {input:"+AAAAAAA"},
+    {input:"+AAAAAAAA"},
+    {input:"-A"},
+    {input:"-AA"},
+    {input:"-AAA"},
+    {input:"-AAAA"},
+    {input:"-AAAAA"},
+    {input:"-AAAAAA"},
+    {input:"-AAAAAAA"},
+    {input:"-AAAAAAAA"},
+    {input:"-AAAAAAAAA"},
+    {input:"1.1"},
+    {input:"1.11"},
+    {input:"1.111"},
+    {input:"1.1111"},
+    {input:"1.11111"},
+    {input:"1.111111"},
+    {input:"1.1111111"},
+    {input:"+1.1"},
+    {input:"+1.11"},
+    {input:"+1.111"},
+    {input:"+1.1111"},
+    {input:"+1.11111"},
+    {input:"+1.111111"},
+    {input:"+1.1111111"},
+    {input:"-1.1"},
+    {input:"-1.11"},
+    {input:"-1.111"},
+    {input:"-1.1111"},
+    {input:"-1.11111"},
+    {input:"-1.111111"},
+    {input:"-1.1111111"},
+    {input:"1.1a"},
+    {input:"1.11a"},
+    {input:"1.111a"},
+    {input:"1.1111a"},
+    {input:"1.11111a"},
+    {input:"1.111111a"},
+    {input:"+1.1a"},
+    {input:"+1.11a"},
+    {input:"+1.111a"},
+    {input:"+1.1111a"},
+    {input:"+1.11111a"},
+    {input:"+1.111111a"},
+    {input:"-1.1a"},
+    {input:"-1.11a"},
+    {input:"-1.111a"},
+    {input:"-1.1111a"},
+    {input:"-1.11111a"},
+    {input:"-1.111111a"},
+    {input:"1.0"},
+    {input:"11.0"},
+    {input:"111.0"},
+    {input:"1111.0"},
+    {input:"11111.0"},
+    {input:"111111.0"},
+    {input:"1111111.0"},
+    {input:"11111111.0"},
+    {input:"+1.0"},
+    {input:"+11.0"},
+    {input:"+111.0"},
+    {input:"+1111.0"},
+    {input:"+11111.0"},
+    {input:"+111111.0"},
+    {input:"+1111111.0"},
+    {input:"+11111111.0"},
+    {input:"-1.0"},
+    {input:"-11.0"},
+    {input:"-111.0"},
+    {input:"-1111.0"},
+    {input:"-11111.0"},
+    {input:"-111111.0"},
+    {input:"-1111111.0"},
+    {input:"-11111111.0"},
+    {input:"1.0a"},
+    {input:"11.0a"},
+    {input:"111.0a"},
+    {input:"1111.0a"},
+    {input:"11111.0a"},
+    {input:"111111.0a"},
+    {input:"1111111.0a"},
+    {input:"+1.0a"},
+    {input:"+11.0a"},
+    {input:"+111.0a"},
+    {input:"+1111.0a"},
+    {input:"+11111.0a"},
+    {input:"+111111.0a"},
+    {input:"+1111111.0a"},
+    {input:"-1.0a"},
+    {input:"-11.0a"},
+    {input:"-111.0a"},
+    {input:"-1111.0a"},
+    {input:"-11111.0a"},
+    {input:"-111111.0a"},
+    {input:"-1111111.0a"},
+    {input:"+/**/123"},
+    {input:"-/**/123"},
+    {input:"+/**/123456"},
+    {input:"-/**/123456"},
+    {input:"+/**/abc"},
+    {input:"-/**/abc"},
+    {input:"+/**/abcdef"},
+    {input:"-/**/abcdef"},
+    {input:"+/**/12a"},
+    {input:"-/**/12a"},
+    {input:"+/**/12345a"},
+    {input:"-/**/12345a"},
+    {input:"abg"},
+    {input:"aabbcg"},
+    {input:"1ag"},
+    {input:"1122ag"},
+    {input:"ABG"},
+    {input:"AABBCG"},
+    {input:"1AG"},
+    {input:"1122AG"},
+    {input:"@a"},
+    {input:"@ab"},
+    {input:"@abc"},
+    {input:"@abcd"},
+    {input:"@abcde"},
+    {input:"@abcdef"},
+    {input:"@1"},
+    {input:"@11"},
+    {input:"@111"},
+    {input:"@1111"},
+    {input:"@11111"},
+    {input:"@111111"},
+    {input:"@1a"},
+    {input:"@11a"},
+    {input:"@111a"},
+    {input:"@1111a"},
+    {input:"@11111a"},
+    {input:'"a"'},
+    {input:'"ab"'},
+    {input:'"abc"'},
+    {input:'"abcd"'},
+    {input:'"abcde"'},
+    {input:'"abcdef"'},
+    {input:'"1"'},
+    {input:'"11"'},
+    {input:'"111"'},
+    {input:'"1111"'},
+    {input:'"11111"'},
+    {input:'"111111"'},
+    {input:'"1a"'},
+    {input:'"11a"'},
+    {input:'"111a"'},
+    {input:'"1111a"'},
+    {input:'"11111a"'},
+    {input:"url(a)", svg:'url(a)'},
+    {input:"url(aa)", svg:'url(aa)'},
+    {input:"url(aaa)", svg:'url(aaa)'},
+    {input:"url(aaaa)", svg:'url(aaaa)'},
+    {input:"url(aaaaa)", svg:'url(aaaaa)'},
+    {input:"url(aaaaaa)", svg:'url(aaaaaa)'},
+    {input:"url('a')", svg:'url(a)'},
+    {input:"url('aa')", svg:'url(aa)'},
+    {input:"url('aaa')", svg:'url(aaa)'},
+    {input:"url('aaaa')", svg:'url(aaaa)'},
+    {input:"url('aaaaa')", svg:'url(aaaaa)'},
+    {input:"url('aaaaaa')", svg:'url(aaaaaa)'},
+    {input:"#a"},
+    {input:"#aa"},
+    {input:"#aaaaa"},
+    {input:"#aaaaaaa"},
+    {input:"#1"},
+    {input:"#11"},
+    {input:"#11111"},
+    {input:"#1111111"},
+    {input:"#1a"},
+    {input:"#1111a"},
+    {input:"#111111a"},
+    {input:"1%"},
+    {input:"11%"},
+    {input:"111%"},
+    {input:"1111%"},
+    {input:"11111%"},
+    {input:"111111%"},
+    {input:"calc(123)"},
+    {input:"rgb(119, 255, 255)", q:"#7ff", s:"#7ff", svg:"#7ff"},
+    {input:"rgba(119, 255, 255, 001)", q:"#7ff", s:"#7ff", svg:"#7ff"},
+    {input:"hsl(100, 100%, 100%)", q:"#fff", s:"#fff", svg:"#fff"},
+    {input:"hsla(100, 100%, 100%, 001)", q:"#fff", s:"#fff", svg:"#fff"},
+    {input:"rgb(calc(100 + 155), 255, 255)", q:"#fff", s:"#fff", svg:"#fff"},
+    {input:"rgba(calc(100 + 155), 255, 255, 001)", q:"#fff", s:"#fff", svg:"#fff"},
+    {input:"hsl(calc(050 + 050), 100%, 100%)", q:"#fff", s:"#fff", svg:"#fff"},
+    {input:"hsla(calc(050 + 050), 100%, 100%, 001)", q:"#fff", s:"#fff", svg:"#fff"},
+    {input:"rgb(/**/255, 255, 255)", q:"#fff", s:"#fff", svg:"#fff"},
+    {input:"rgb(/**/255/**/, /**/255/**/, /**/255/**/)", q:"#fff", s:"#fff", svg:"#fff"},
+    {input:"rgb(calc(/**/100/**/ + /**/155/**/), 255, 255)", q:"#fff", s:"#fff", svg:"#fff"},
+    {input:"#123 123 abc 12a", q:"#123 #000123 #abc #00012a", shorthand:true},
+    {input:"rgb(119, 255, 255) 123", q:"#7ff #000123", shorthand:true},
+    {input:"123 rgb(119, 255, 255)", q:"#000123 #7ff", shorthand:true},
+    {input:"1e1"},
+    {input:"11e1"},
+    {input:"111e1"},
+    {input:"1111e1"},
+    {input:"11111e1"},
+    {input:"111111e1"},
+    {input:"1e+1"},
+    {input:"11e+1"},
+    {input:"111e+1"},
+    {input:"1111e+1"},
+    {input:"11111e+1"},
+    {input:"111111e+1"},
+    {input:"1e-0"},
+    {input:"11e-0"},
+    {input:"111e-0"},
+    {input:"1111e-0"},
+    {input:"11111e-0"},
+    {input:"111111e-0"},
+    {input:"1e1a"},
+    {input:"11e1a"},
+    {input:"111e1a"},
+    {input:"1111e1a"},
+    {input:"11111e1a"},
+    {input:"111111e1a"},
+    {desc:"1111111111...", input:"1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111"},
+    {desc:"1111111111...a", input:"1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111a"},
+    {desc:"a1111111111...", input:"a1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111"},
+    ];
+
+    var props = [
+    {prop:'background-color', check:'background-color'},
+    {prop:'border-color', check:'border-top-color', check_also:['border-right-color', 'border-bottom-color', 'border-left-color']},
+    {prop:'border-top-color', check:'border-top-color'},
+    {prop:'border-right-color', check:'border-right-color'},
+    {prop:'border-bottom-color', check:'border-bottom-color'},
+    {prop:'border-left-color', check:'border-left-color'},
+    {prop:'color', check:'color'},
+    ];
+    var style_template = '#test{{prop}:{test};}' +
+                         '#ref{{prop}:{ref};}';
+
+    tests.forEach(function(t) {
+        var name = t.desc || t.input;
+        var test_html = async_test(name);
+        var test_svg = async_test(name + ' (SVG)');
+        for (var i in props) {
+            if (t.shorthand && !(props[i].check_also)) {
+                continue;
+            }
+            test_html.step(function() {
+                win.style.textContent = style_template.replace('{test}', t.input)
+                            .replace('{ref}', quirks ? t.q : t.s).replace(/\{prop\}/g, props[i].prop);
+                assert_equals(win.getComputedStyle(win.test).getPropertyValue(props[i].check),
+                              win.getComputedStyle(win.ref).getPropertyValue(props[i].check),
+                              props[i].prop);
+                if (t.shorthand && props[i].check_also) {
+                    for (var j in props[i].check_also) {
+                        assert_equals(win.getComputedStyle(win.test).getPropertyValue(props[i].check_also[j]),
+                                      win.getComputedStyle(win.ref).getPropertyValue(props[i].check_also[j]),
+                                      props[i].prop + ' checking ' + props[i].check_also[j]);
+                    }
+                }
+            });
+            test_svg.step(function() {
+                win.svg.setAttribute('fill', t.input);
+                if (t.svg) {
+                    win.svg_ref.setAttribute('fill', t.svg);
+                } else {
+                    win.svg_ref.removeAttribute('fill');
+                }
+                assert_equals(win.getComputedStyle(win.svg).fill, win.getComputedStyle(win.svg_ref).fill, 'SVG fill=""');
+            });
+        }
+        test_html.done();
+        test_svg.done();
+    });
+
+    if (quirks) {
+        var other_tests = [
+        {input:'background:abc', prop:'background-color'},
+        {input:'border-top:1px solid abc', prop:'border-top-color'},
+        {input:'border-right:1px solid abc', prop:'border-right-color'},
+        {input:'border-bottom:1px solid abc', prop:'border-bottom-color'},
+        {input:'border-left:1px solid abc', prop:'border-left-color'},
+        {input:'border:1px solid abc', prop:'border-top-color'},
+        {input:'outline-color:abc', prop:'outline-color'},
+        {input:'outline:1px solid abc', prop:'outline-color'}
+        ];
+
+        var other_template = "#test{{test};}"
+
+        other_tests.forEach(function(t) {
+            test(function() {
+                win.style.textContent = other_template.replace('{test}', t.input);
+                assert_equals(win.getComputedStyle(win.test).getPropertyValue(t.prop),
+                              win.getComputedStyle(win.ref).getPropertyValue(t.prop),
+                              'quirk was supported');
+            }, document.title+', excluded property '+t.input);
+        });
+    }
+
+    done();
+}
diff --git a/Tests/LibWeb/Text/input/wpt-import/quirks/support/test-ref-iframe.js b/Tests/LibWeb/Text/input/wpt-import/quirks/support/test-ref-iframe.js
new file mode 100644
index 00000000000..e5df41d4249
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/quirks/support/test-ref-iframe.js
@@ -0,0 +1,17 @@
+function setupIframe() {
+  var iframe = document.querySelector('iframe');
+  var html = "<style id=style></style><div id=test></div><div id=ref></div><svg><circle id=svg /><circle id=svg_ref /></svg>";
+  if (iframe.className === "limited-quirks") {
+    html = '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">' + html;
+  } else if (iframe.className === "no-quirks") {
+    html = '<!DOCTYPE HTML>' + html;
+  }
+  window.quirks = iframe.className === "quirks";
+  window.win = iframe.contentWindow;
+  win.document.open();
+  win.document.write(html);
+  win.document.close();
+  ['style', 'test', 'ref', 'svg', 'svg_ref'].forEach(function(id) {
+      win[id] = win.document.getElementById(id);
+  });
+}