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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
#3F4E12
RGB Values
63, 78, 18
HSL Values
75°, 63%, 19%
CMYK Values
19%, 0%, 77%, 69%

Color Variations & Tints

  • #728D20

    Lightness: 34%

  • #61791B

    Lightness: 29%

  • #506417

    Lightness: 24%

  • #3F4E12

    Lightness: 19%

    Current color

  • #2F3A0D

    Lightness: 14%

  • #1E2508

    Lightness: 9%

  • #0D1104

    Lightness: 4%

Accessibility

White Text
9.1
PASS
Black Text
2.3
FAIL
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 #3F4E12

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

Current: #3F4E12

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