#66644c

Color #66644c

A nearly neutral, gray-leaning dark yellow.

Closest named color Dim Gray #696969 · ΔE 14.6 Nearest Tailwind class olive-600 #5b5b4b · ΔE 4.5

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Conversions

HEX

#66644c

RGB

rgb(102, 100, 76)

HSL

hsl(55.4, 14.6%, 34.9%)

HSV / HSB

hsv(55.4, 25.5%, 40%)

CMYK

cmyk(0%, 2%, 25.5%, 60%)

LAB

lab(41.94, -3.58, 13.94)

LCH

lch(41.94, 14.39, 104.4)

OKLCH

oklch(49.8%, 0.0363, 103.69)

HWB

hwb(55.4, 29.8%, 60%)

Harmony colors

Complementary

#4c4e66

Analogous

#66574c

#66644c

#5b664c

Triadic

#66644c

#4c6664

#644c66

Split-complementary

#66644c

#4c5b66

#574c66

Tetradic

#66644c

#4e664c

#4c4e66

#644c66

Square

#66644c

#4c6657

#4c4e66

#664c5b

Shades

Color #66644c mixed toward black.

#55533f

#444333

#333226

#222119

#11110d

Tints

Color #66644c mixed toward white.

#868364

#a09e80

#b8b6a0

#d0cfc0

#e7e7df

Tones

Color #66644c mixed toward gray.

#64624e

#626050

#5f5e52

#5d5d55

#5b5b57

Accessibility

Aa White text on this color

6.01:1

Aa Black text on this color

3.49:1

White text reads better on this background (6.01:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#656553 · ΔE 2.5

Deuteranopia

#656554 · ΔE 2.8

Tritanopia

#665758 · ΔE 17.1

Achromatopsia

#636363 · ΔE 11.2

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #66644c;

Tailwind (arbitrary value)

bg-[#66644c]

Related colors

Dark Khaki #bdb76b

Pale Goldenrod #eee8aa

Khaki #f0e68c

Lemon Chiffon #fffacd

Ivory #fffff0

Beige #f5f5dc

Frequently asked questions

#66644c (#66644c) is rgb(102, 100, 76) in RGB.

No, #66644c is not web-safe. The nearest web-safe colors are among its tones and shades below.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

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Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

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Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

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Build something with this color

Generate a full palette from #66644c, or check how it holds up for accessibility.

Generate a palette → Check contrast