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Colorbook
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Color Information

Green

Complete color analysis with professional format conversions, accessibility metrics, and harmonious color combinations for your design projects.

HEX Format
#81B425
RGB Values
129, 180, 37
HSL Values
81°, 66%, 43%
CMYK Values
28%, 0%, 79%, 29%

Color Variations & Tints

  • #A9DB4D

    Lightness: 58%

  • #9FD638

    Lightness: 53%

  • #93CB2A

    Lightness: 48%

  • #81B425

    Lightness: 43%

    Current color

  • #74A121

    Lightness: 38%

  • #658C1D

    Lightness: 33%

  • #567718

    Lightness: 28%

Accessibility

White Text
2.5
FAIL
Black Text
8.5
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 #81B425

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

Current: #81B425

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