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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
#66B2A3
RGB Values
102, 178, 163
HSL Values
168°, 33%, 55%
CMYK Values
43%, 0%, 8%, 30%

Color Variations & Tints

  • #99CCC2

    Lightness: 70%

  • #88C3B7

    Lightness: 65%

  • #77BBAD

    Lightness: 60%

  • #66B2A3

    Lightness: 55%

    Current color

  • #55AA99

    Lightness: 50%

  • #4D9989

    Lightness: 45%

  • #44887A

    Lightness: 40%

Accessibility

White Text
2.5
FAIL
Black Text
8.5
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 #66B2A3

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

Current: #66B2A3

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