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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
#399B33
RGB Values
57, 155, 51
HSL Values
117°, 50%, 40%
CMYK Values
63%, 0%, 67%, 39%

Color Variations & Tints

  • #59C653

    Lightness: 55%

  • #46BF40

    Lightness: 50%

  • #3FAC39

    Lightness: 45%

  • #399B33

    Lightness: 40%

    Current color

  • #31862D

    Lightness: 35%

  • #2A7326

    Lightness: 30%

  • #236020

    Lightness: 25%

Accessibility

White Text
3.6
FAIL
Black Text
5.9
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 #399B33

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

Current: #399B33

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