Fibonacci Blue
#111D5E
4-Color Vampire Bite Palette
4-color palette · Warm temperature · Mixed tone · Complementary harmony
Likes
6,485
Colors
4
CSS variables
:root {
--c-vibrant-1: #111D5E;
--c-vibrant-2: #C70039;
--c-vibrant-3: #F37121;
--c-vibrant-4: #C0E218;
}About this palette
This 4-color vibrant palette runs from Sour Green (#C0E218) as its lightest tone to Fibonacci Blue (#111D5E) as its darkest. It blends Fibonacci Blue, Vampire Bite, Apocalyptic Orange and Sour Green into a single set you can drop straight into a UI. Of its 6 color pairings, 2 meet the WCAG AA contrast threshold (4.5:1) for body text — the strongest is #111D5E on #C0E218 at 10.38:1.
A versatile palette suitable for marketing pages, product hero blocks, illustrations, and accent UI states.
Color breakdown
Vampire Bite
#C70039
Apocalyptic Orange
#F37121
Sour Green
#C0E218
Contrast & accessibility
2 of 6 color pairings meet the WCAG AA contrast threshold (4.5:1) for body text.
Aa
#111D5E on #C0E218
10.38:1
AAA
Aa
#111D5E on #F37121
5.29:1
AA
Aa
#C70039 on #C0E218
4.05:1
AA Large
Aa
#111D5E on #C70039
2.56:1
Fail
Aa
#C70039 on #F37121
2.06:1
Fail
Aa
#F37121 on #C0E218
1.96:1
Fail
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