#646c45

Color #646c45

A muted dark green.

Closest named color Dark Olive Green #556b2f · ΔE 13.21 Nearest Tailwind class olive-600 #5b5b4b · ΔE 10

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Conversions

HEX

#646c45

RGB

rgb(100, 108, 69)

HSL

hsl(72.3, 22%, 34.7%)

HSV / HSB

hsv(72.3, 36.1%, 42.4%)

CMYK

cmyk(7.4%, 0%, 36.1%, 57.6%)

LAB

lab(44.04, -10.11, 20.85)

LCH

lch(44.04, 23.17, 115.87)

OKLCH

oklch(51.4%, 0.0584, 117.97)

HWB

hwb(72.3, 27.1%, 57.6%)

Harmony colors

Complementary

#4d456c

Analogous

#6c6045

#646c45

#516c45

Triadic

#646c45

#45646c

#6c4564

Split-complementary

#646c45

#45516c

#60456c

Tetradic

#646c45

#456c4d

#4d456c

#6c4564

Square

#646c45

#456c60

#4d456c

#6c4551

Shades

Color #646c45 mixed toward black.

#535a3a

#43482e

#323623

#212417

#11120c

Tints

Color #646c45 mixed toward white.

#838e5b

#9ea878

#b7be99

#cfd4bb

#e7e9dd

Tones

Color #646c45 mixed toward gray.

#626948

#60654c

#5e624f

#5c5f52

#5a5c55

Accessibility

Aa White text on this color

5.57:1

Aa Black text on this color

3.77:1

White text reads better on this background (5.57:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#686851 · ΔE 6.2

Deuteranopia

#676653 · ΔE 7.9

Tritanopia

#64585a · ΔE 23.8

Achromatopsia

#686868 · ΔE 16.2

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

Code

CSS

background-color: #646c45;

Tailwind (arbitrary value)

bg-[#646c45]

Related colors

Olive Drab #6b8e23

Yellow Green #9acd32

Dark Olive Green #556b2f

Green Yellow #adff2f

Ivory #fffff0

Beige #f5f5dc

Frequently asked questions

#646c45 (#646c45) is rgb(100, 108, 69) in RGB.

No, #646c45 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 #646c45, or check how it holds up for accessibility.

Generate a palette → Check contrast