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4-Color Quinoline Yellow Palette

4-Color Quinoline Yellow Palette

4-color palette · Neutral · Mixed · Complementary harmony

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4-Color Quinoline Yellow Palette

4-color palette · Neutral temperature · Mixed tone · Complementary harmony

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Vibrant 4 colors Neutral Mixed Complementary
Likes 1,560
Colors 4

CSS variables

:root {
  --c-vibrant-1: #F4E022;
  --c-vibrant-2: #5A37C3;
  --c-vibrant-3: #18224B;
  --c-vibrant-4: #DE1B4A;
}

About this palette

This 4-color vibrant palette runs from Quinoline Yellow (#F4E022) as its lightest tone to Fly-by-Night (#18224B) as its darkest. It blends Quinoline Yellow, Royal Nightcore, Fly-by-Night and Spanish Crimson 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 #F4E022 on #18224B at 11.34:1.

A versatile palette suitable for marketing pages, product hero blocks, illustrations, and accent UI states.

Color breakdown

Quinoline Yellow #F4E022
RGB
rgb(244, 224, 34)
HSL
hsl(54, 91%, 55%)
Luminance
0.727
Royal Nightcore #5A37C3
RGB
rgb(90, 55, 195)
HSL
hsl(255, 56%, 49%)
Luminance
0.089
Fly-by-Night #18224B
RGB
rgb(24, 34, 75)
HSL
hsl(228, 52%, 19%)
Luminance
0.019
Spanish Crimson #DE1B4A
RGB
rgb(222, 27, 74)
HSL
hsl(346, 78%, 49%)
Luminance
0.168

Contrast & accessibility

2 of 6 color pairings meet the WCAG AA contrast threshold (4.5:1) for body text.

Aa #F4E022 on #18224B 11.34:1 AAA
Aa #F4E022 on #5A37C3 5.61:1 AA
Aa #F4E022 on #DE1B4A 3.56:1 AA Large
Aa #18224B on #DE1B4A 3.19:1 AA Large
Aa #5A37C3 on #18224B 2.02:1 Fail
Aa #5A37C3 on #DE1B4A 1.58:1 Fail

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