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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
#399F56
RGB Values
57, 159, 86
HSL Values
137°, 47%, 42%
CMYK Values
64%, 0%, 46%, 38%

Color Variations & Tints

  • #5EC57B

    Lightness: 57%

  • #4BBE6C

    Lightness: 52%

  • #40B05F

    Lightness: 47%

  • #399F56

    Lightness: 42%

    Current color

  • #328B4B

    Lightness: 37%

  • #2B7841

    Lightness: 32%

  • #246537

    Lightness: 27%

Accessibility

White Text
3.4
FAIL
Black Text
6.3
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 #399F56

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

Current: #399F56

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