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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
#858B18
RGB Values
133, 139, 24
HSL Values
63°, 71%, 32%
CMYK Values
4%, 0%, 83%, 45%

Color Variations & Tints

  • #C4CD23

    Lightness: 47%

  • #B0B71F

    Lightness: 42%

  • #9BA11B

    Lightness: 37%

  • #858B18

    Lightness: 32%

    Current color

  • #717614

    Lightness: 27%

  • #5C6010

    Lightness: 22%

  • #474A0D

    Lightness: 17%

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 #858B18

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

Current: #858B18

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