#666555

Color #666555

A nearly neutral, gray-leaning dark yellow.

Closest named color Dim Gray #696969 · ΔE 9.8 Nearest Tailwind class olive-600 #5b5b4b · ΔE 3.8

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#666555

RGB

rgb(102, 101, 85)

HSL

hsl(56.5, 9.1%, 36.7%)

HSV / HSB

hsv(56.5, 16.7%, 40%)

CMYK

cmyk(0%, 1%, 16.7%, 60%)

LAB

lab(42.44, -2.67, 9.22)

LCH

lch(42.44, 9.6, 106.15)

OKLCH

oklch(50.3%, 0.0246, 104.38)

HWB

hwb(56.5, 33.3%, 60%)

Harmony colors

Complementary

#555666

Analogous

#665d55

#666555

#5f6655

Triadic

#666555

#556665

#655566

Split-complementary

#666555

#555f66

#5d5566

Tetradic

#666555

#566655

#555666

#655566

Square

#666555

#55665d

#555666

#66555f

Shades

Color #666555 mixed toward black.

#555447

#444339

#33332b

#22221c

#11110e

Tints

Color #666555 mixed toward white.

#83826e

#9d9c8a

#b6b5a7

#cecec4

#e7e6e2

Tones

Color #666555 mixed toward gray.

#656456

#636358

#626159

#60605b

#5f5f5c

Accessibility

Aa White text on this color

5.9:1

Aa Black text on this color

3.56:1

White text reads better on this background (5.9:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#666659 · ΔE 1.4

Deuteranopia

#66665a · ΔE 1.8

Tritanopia

#665c5d · ΔE 12.3

Achromatopsia

#646464 · ΔE 8.2

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

Code

CSS

background-color: #666555;

Tailwind (arbitrary value)

bg-[#666555]

Related colors

Dark Khaki #bdb76b

Pale Goldenrod #eee8aa

Khaki #f0e68c

Lemon Chiffon #fffacd

Ivory #fffff0

Beige #f5f5dc

Frequently asked questions

#666555 (#666555) is rgb(102, 101, 85) in RGB.

No, #666555 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 #666555, or check how it holds up for accessibility.

Generate a palette → Check contrast