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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
#878A11
RGB Values
135, 138, 17
HSL Values
61°, 78%, 30%
CMYK Values
2%, 0%, 88%, 46%

Color Variations & Tints

  • #C9CC19

    Lightness: 45%

  • #B3B616

    Lightness: 40%

  • #9D9F14

    Lightness: 35%

  • #878A11

    Lightness: 30%

    Current color

  • #70710E

    Lightness: 25%

  • #595B0B

    Lightness: 20%

  • #434408

    Lightness: 15%

Accessibility

White Text
3.7
FAIL
Black Text
5.7
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 #878A11

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

Current: #878A11

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