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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
#818902
RGB Values
129, 137, 2
HSL Values
64°, 97%, 27%
CMYK Values
6%, 0%, 99%, 46%

Color Variations & Tints

  • #C5D303

    Lightness: 42%

  • #AEBA03

    Lightness: 37%

  • #96A102

    Lightness: 32%

  • #818902

    Lightness: 27%

    Current color

  • #676F02

    Lightness: 22%

  • #505501

    Lightness: 17%

  • #383C01

    Lightness: 12%

Accessibility

White Text
3.8
FAIL
Black Text
5.5
PASS
WCAG AA
PASS
WCAG AAA
FAIL

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 #818902

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

Current: #818902

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