#666d5e

Color #666d5e

A nearly neutral, gray-leaning dark green.

Closest named color Dim Gray #696969 · ΔE 9.43 Nearest Tailwind class olive-600 #5b5b4b · ΔE 7.1

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

Conversions

HEX

#666d5e

RGB

rgb(102, 109, 94)

HSL

hsl(88, 7.4%, 39.8%)

HSV / HSB

hsv(88, 13.8%, 42.7%)

CMYK

cmyk(6.4%, 0%, 13.8%, 57.3%)

LAB

lab(45.04, -5.7, 7.48)

LCH

lch(45.04, 9.4, 127.31)

OKLCH

oklch(52.4%, 0.0245, 127.71)

HWB

hwb(88, 36.9%, 57.3%)

Harmony colors

Complementary

#655e6d

Analogous

#6d6c5e

#666d5e

#5e6d5e

Triadic

#666d5e

#5e666d

#6d5e66

Split-complementary

#666d5e

#5e5e6d

#6c5e6d

Tetradic

#666d5e

#5e6d65

#655e6d

#6d5e66

Square

#666d5e

#5e6d6c

#655e6d

#6d5e5e

Shades

Color #666d5e mixed toward black.

#555b4e

#44493f

#33372f

#22241f

#111210

Tints

Color #666d5e mixed toward white.

#808876

#99a091

#b3b8ad

#ccd0c8

#e6e7e4

Tones

Color #666d5e mixed toward gray.

#666c5f

#666a60

#666962

#666863

#666764

Accessibility

Aa White text on this color

5.37:1

Aa Black text on this color

3.91:1

White text reads better on this background (5.37:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#696962 · ΔE 5.6

Deuteranopia

#696863 · ΔE 6.9

Tritanopia

#666565 · ΔE 9.8

Achromatopsia

#6b6b6b · ΔE 9

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

Code

CSS

background-color: #666d5e;

Tailwind (arbitrary value)

bg-[#666d5e]

Related colors

Chartreuse #7fff00

Lawn Green #7cfc00

Green Yellow #adff2f

Dark Olive Green #556b2f

Yellow Green #9acd32

Olive Drab #6b8e23

Frequently asked questions

#666d5e (#666d5e) is rgb(102, 109, 94) in RGB.

No, #666d5e 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.

Try it → Accessibility

Contrast Checker

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

Try it → Generators

Palette Generator

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

Try it →

Build something with this color

Generate a full palette from #666d5e, or check how it holds up for accessibility.

Generate a palette → Check contrast