#666b49

Color #666b49

A muted dark yellow.

Closest named color Dark Olive Green #556b2f · ΔE 16.29 Nearest Tailwind class olive-600 #5b5b4b · ΔE 8.5

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Conversions

HEX

#666b49

RGB

rgb(102, 107, 73)

HSL

hsl(68.8, 18.9%, 35.3%)

HSV / HSB

hsv(68.8, 31.8%, 42%)

CMYK

cmyk(4.7%, 0%, 31.8%, 58%)

LAB

lab(43.98, -8.1, 18.47)

LCH

lch(43.98, 20.17, 113.68)

OKLCH

oklch(51.4%, 0.0509, 115)

HWB

hwb(68.8, 28.6%, 58%)

Harmony colors

Complementary

#4e496b

Analogous

#6b5f49

#666b49

#556b49

Triadic

#666b49

#49666b

#6b4966

Split-complementary

#666b49

#49556b

#5f496b

Tetradic

#666b49

#496b4e

#4e496b

#6b4966

Square

#666b49

#496b5f

#4e496b

#6b4955

Shades

Color #666b49 mixed toward black.

#55593d

#444731

#333625

#222418

#11120c

Tints

Color #666b49 mixed toward white.

#858c5f

#a0a67c

#b8bc9d

#cfd2be

#e7e9de

Tones

Color #666b49 mixed toward gray.

#64684c

#62654f

#606352

#5e6054

#5c5d57

Accessibility

Aa White text on this color

5.58:1

Aa Black text on this color

3.76:1

White text reads better on this background (5.58:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#686853 · ΔE 5.1

Deuteranopia

#686855 · ΔE 5.8

Tritanopia

#665a5b · ΔE 21.2

Achromatopsia

#686868 · ΔE 14.7

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

Code

CSS

background-color: #666b49;

Tailwind (arbitrary value)

bg-[#666b49]

Related colors

Ivory #fffff0

Beige #f5f5dc

Light Goldenrod Yellow #fafad2

Light Yellow #ffffe0

Olive #808000

Yellow #ffff00

Frequently asked questions

#666b49 (#666b49) is rgb(102, 107, 73) in RGB.

No, #666b49 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 #666b49, or check how it holds up for accessibility.

Generate a palette → Check contrast