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Colorbook
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Color Information

Yellow

Complete color analysis with professional format conversions, accessibility metrics, and harmonious color combinations for your design projects.

HEX Format
#90B01C
RGB Values
144, 176, 28
HSL Values
73°, 73%, 40%
CMYK Values
18%, 0%, 84%, 31%

Color Variations & Tints

  • #BCE038

    Lightness: 55%

  • #B4DD22

    Lightness: 50%

  • #A2C71F

    Lightness: 45%

  • #90B01C

    Lightness: 40%

    Current color

  • #7E9A18

    Lightness: 35%

  • #6C8415

    Lightness: 30%

  • #5A6E11

    Lightness: 25%

Accessibility

White Text
2.5
FAIL
Black Text
8.4
PASS
WCAG AA
PASS
WCAG AAA
PASS

Accessibility Guide

Contrast Ratios
Higher values (4.5+) ensure better readability for users with visual impairments.
WCAG AA Standard
Minimum requirement: 4.5:1 contrast for normal text, 3:1 for large text.
WCAG AAA Standard
Enhanced level: 7:1 contrast for normal text, 4.5:1 for large text.

Color Harmonies

  • Complementary

    Colors opposite on the color wheel, creating high contrast

  • Triadic

    Three evenly spaced colors forming a triangle on the color wheel

  • Analogous

    Adjacent colors on the color wheel, creating harmony and unity

Be picky and fine tune your color: colors very near to #90B01C

Systematic progression of extremely similar colors. Each color represents a precise step in lightness variation.

Current: #90B01C

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