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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
#5BB7B9
RGB Values
91, 183, 185
HSL Values
181°, 40%, 54%
CMYK Values
51%, 1%, 0%, 27%

Color Variations & Tints

  • #90CFD0

    Lightness: 69%

  • #7EC7C8

    Lightness: 64%

  • #6DBFC0

    Lightness: 59%

  • #5BB7B9

    Lightness: 54%

    Current color

  • #4BADAF

    Lightness: 49%

  • #439C9D

    Lightness: 44%

  • #3C8A8B

    Lightness: 39%

Accessibility

White Text
2.4
FAIL
Black Text
8.9
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 #5BB7B9

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

Current: #5BB7B9

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