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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
#91B9B5
RGB Values
145, 185, 181
HSL Values
174°, 22%, 65%
CMYK Values
22%, 0%, 2%, 27%

Color Variations & Tints

  • #C1D7D5

    Lightness: 80%

  • #B1CDCA

    Lightness: 75%

  • #A2C3C0

    Lightness: 70%

  • #91B9B5

    Lightness: 65%

    Current color

  • #83AFAB

    Lightness: 60%

  • #73A5A0

    Lightness: 55%

  • #639C96

    Lightness: 50%

Accessibility

White Text
2.1
FAIL
Black Text
9.8
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 #91B9B5

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

Current: #91B9B5

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