#666b52

Color #666b52

A nearly neutral, gray-leaning dark green.

Closest named color Dim Gray #696969 · ΔE 14.98 Nearest Tailwind class olive-600 #5b5b4b · ΔE 6.8

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Conversions

HEX

#666b52

RGB

rgb(102, 107, 82)

HSL

hsl(72, 13.2%, 37.1%)

HSV / HSB

hsv(72, 23.4%, 42%)

CMYK

cmyk(4.7%, 0%, 23.4%, 58%)

LAB

lab(44.16, -6.68, 13.41)

LCH

lch(44.16, 14.98, 116.48)

OKLCH

oklch(51.6%, 0.0382, 116.9)

HWB

hwb(72, 32.2%, 58%)

Harmony colors

Complementary

#57526b

Analogous

#6b6452

#666b52

#5a6b52

Triadic

#666b52

#52666b

#6b5266

Split-complementary

#666b52

#525a6b

#64526b

Tetradic

#666b52

#526b57

#57526b

#6b5266

Square

#666b52

#526b64

#57526b

#6b525a

Shades

Color #666b52 mixed toward black.

#555944

#444737

#333629

#22241b

#11120e

Tints

Color #666b52 mixed toward white.

#838969

#9da286

#b5b9a4

#ced1c2

#e6e8e1

Tones

Color #666b52 mixed toward gray.

#656954

#646756

#626558

#61635a

#60615d

Accessibility

Aa White text on this color

5.54:1

Aa Black text on this color

3.79:1

White text reads better on this background (5.54:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#686859 · ΔE 4.8

Deuteranopia

#68685a · ΔE 5.2

Tritanopia

#665e5f · ΔE 16.8

Achromatopsia

#686868 · ΔE 12.1

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

Code

CSS

background-color: #666b52;

Tailwind (arbitrary value)

bg-[#666b52]

Related colors

Olive Drab #6b8e23

Yellow Green #9acd32

Dark Olive Green #556b2f

Green Yellow #adff2f

Ivory #fffff0

Beige #f5f5dc

Frequently asked questions

#666b52 (#666b52) is rgb(102, 107, 82) in RGB.

No, #666b52 is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

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 #666b52, or check how it holds up for accessibility.

Generate a palette → Check contrast