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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
#42B27E
RGB Values
66, 178, 126
HSL Values
152°, 46%, 48%
CMYK Values
63%, 0%, 29%, 30%

Color Variations & Tints

  • #75CCA4

    Lightness: 63%

  • #63C597

    Lightness: 58%

  • #50BE8B

    Lightness: 53%

  • #42B27E

    Lightness: 48%

    Current color

  • #3BA071

    Lightness: 43%

  • #348D64

    Lightness: 38%

  • #2D7B57

    Lightness: 33%

Accessibility

White Text
2.7
FAIL
Black Text
7.9
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 #42B27E

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

Current: #42B27E

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