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Colorbook
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Color Information

Black

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

HEX Format
#377247
RGB Values
55, 114, 71
HSL Values
136°, 35%, 33%
CMYK Values
52%, 0%, 38%, 55%

Color Variations & Tints

  • #50A566

    Lightness: 48%

  • #47945C

    Lightness: 43%

  • #3F8351

    Lightness: 38%

  • #377247

    Lightness: 33%

    Current color

  • #2E603C

    Lightness: 28%

  • #264F31

    Lightness: 23%

  • #1E3E26

    Lightness: 18%

Accessibility

White Text
5.7
PASS
Black Text
3.7
FAIL
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 #377247

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

Current: #377247

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