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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
#ADD039
RGB Values
173, 208, 57
HSL Values
74°, 62%, 52%
CMYK Values
17%, 0%, 73%, 18%

Color Variations & Tints

  • #C7DF77

    Lightness: 67%

  • #BEDA62

    Lightness: 62%

  • #B6D54D

    Lightness: 57%

  • #ADD039

    Lightness: 52%

    Current color

  • #9FC22E

    Lightness: 47%

  • #8FAE29

    Lightness: 42%

  • #7E9924

    Lightness: 37%

Accessibility

White Text
1.8
FAIL
Black Text
11.9
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 #ADD039

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

Current: #ADD039

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