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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
#818E0B
RGB Values
129, 142, 11
HSL Values
66°, 86%, 30%
CMYK Values
9%, 0%, 92%, 44%

Color Variations & Tints

  • #C2D510

    Lightness: 45%

  • #ACBE0E

    Lightness: 40%

  • #97A60C

    Lightness: 35%

  • #818E0B

    Lightness: 30%

    Current color

  • #6C7709

    Lightness: 25%

  • #565F07

    Lightness: 20%

  • #414705

    Lightness: 15%

Accessibility

White Text
3.6
FAIL
Black Text
5.8
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 #818E0B

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

Current: #818E0B

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