#646951

Color #646951

A nearly neutral, gray-leaning dark green.

Closest named color Dim Gray #696969 · ΔE 14.49 Nearest Tailwind class olive-600 #5b5b4b · ΔE 6.1

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Conversions

HEX

#646951

RGB

rgb(100, 105, 81)

HSL

hsl(72.5, 12.9%, 36.5%)

HSV / HSB

hsv(72.5, 22.9%, 41.2%)

CMYK

cmyk(4.8%, 0%, 22.9%, 58.8%)

LAB

lab(43.37, -6.53, 12.89)

LCH

lch(43.37, 14.45, 116.87)

OKLCH

oklch(50.9%, 0.0369, 117.26)

HWB

hwb(72.5, 31.8%, 58.8%)

Harmony colors

Complementary

#565169

Analogous

#696251

#646951

#586951

Triadic

#646951

#516469

#695164

Split-complementary

#646951

#515869

#625169

Tetradic

#646951

#516956

#565169

#695164

Square

#646951

#516962

#565169

#695158

Shades

Color #646951 mixed toward black.

#535844

#434636

#323529

#21231b

#11120e

Tints

Color #646951 mixed toward white.

#818869

#9ba185

#b4b8a4

#cdd0c2

#e6e7e1

Tones

Color #646951 mixed toward gray.

#636753

#626555

#616357

#5f6159

#5e5f5b

Accessibility

Aa White text on this color

5.7:1

Aa Black text on this color

3.68:1

White text reads better on this background (5.7:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#666658 · ΔE 4.9

Deuteranopia

#666659 · ΔE 5.3

Tritanopia

#645c5d · ΔE 16.5

Achromatopsia

#666666 · ΔE 11.9

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

Code

CSS

background-color: #646951;

Tailwind (arbitrary value)

bg-[#646951]

Related colors

Olive Drab #6b8e23

Yellow Green #9acd32

Dark Olive Green #556b2f

Green Yellow #adff2f

Ivory #fffff0

Beige #f5f5dc

Frequently asked questions

#646951 (#646951) is rgb(100, 105, 81) in RGB.

No, #646951 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 #646951, or check how it holds up for accessibility.

Generate a palette → Check contrast