#646d54

Color #646d54

A nearly neutral, gray-leaning dark green.

Closest named color Dim Gray #696969 · ΔE 15.31 Nearest Tailwind class olive-600 #5b5b4b · ΔE 8

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Conversions

HEX

#646d54

RGB

rgb(100, 109, 84)

HSL

hsl(81.6, 13%, 37.8%)

HSV / HSB

hsv(81.6, 22.9%, 42.7%)

CMYK

cmyk(8.3%, 0%, 22.9%, 57.3%)

LAB

lab(44.64, -8.31, 12.86)

LCH

lch(44.64, 15.31, 122.87)

OKLCH

oklch(52%, 0.0395, 123.85)

HWB

hwb(81.6, 32.9%, 57.3%)

Harmony colors

Complementary

#5d546d

Analogous

#6d6954

#646d54

#576d54

Triadic

#646d54

#54646d

#6d5464

Split-complementary

#646d54

#54576d

#69546d

Tetradic

#646d54

#546d5d

#5d546d

#6d5464

Square

#646d54

#546d69

#5d546d

#6d5457

Shades

Color #646d54 mixed toward black.

#535b46

#434938

#32362a

#21241c

#11120e

Tints

Color #646d54 mixed toward white.

#7f8b6b

#99a388

#b3baa5

#ccd1c3

#e6e8e1

Tones

Color #646d54 mixed toward gray.

#636b56

#636958

#62675a

#62655c

#61625e

Accessibility

Aa White text on this color

5.44:1

Aa Black text on this color

3.86:1

White text reads better on this background (5.44:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#68685b · ΔE 6.7

Deuteranopia

#67675c · ΔE 7.5

Tritanopia

#646061 · ΔE 15.9

Achromatopsia

#6a6a6a · ΔE 12.7

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

Code

CSS

background-color: #646d54;

Tailwind (arbitrary value)

bg-[#646d54]

Related colors

Dark Olive Green #556b2f

Yellow Green #9acd32

Olive Drab #6b8e23

Green Yellow #adff2f

Chartreuse #7fff00

Lawn Green #7cfc00

Frequently asked questions

#646d54 (#646d54) is rgb(100, 109, 84) in RGB.

No, #646d54 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 #646d54, or check how it holds up for accessibility.

Generate a palette → Check contrast