/
Colorbook
Sign in Sign up

Color Information

Gray

Complete color analysis with professional format conversions, accessibility metrics, and harmonious color combinations for your design projects.

HEX Format
#666B61
RGB Values
102, 107, 97
HSL Values
90°, 5%, 40%
CMYK Values
5%, 0%, 9%, 58%

Color Variations & Tints

  • #8C9287

    Lightness: 55%

  • #808679

    Lightness: 50%

  • #73786D

    Lightness: 45%

  • #666B61

    Lightness: 40%

    Current color

  • #595E55

    Lightness: 35%

  • #4D5049

    Lightness: 30%

  • #40433D

    Lightness: 25%

Accessibility

White Text
5.5
PASS
Black Text
3.8
FAIL
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 #666B61

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

Current: #666B61

Discover More Colors

Explore a randomly curated selection of colors. Each refresh brings new inspiration for your palette.