#646b65

Color #646b65

A nearly neutral, gray-leaning medium green.

Closest named color Dim Gray #696969 · ΔE 4.63 Nearest Tailwind class neutral-500 #737373 · ΔE 6.8

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Conversions

HEX

#646b65

RGB

rgb(100, 107, 101)

HSL

hsl(128.6, 3.4%, 40.6%)

HSV / HSB

hsv(128.6, 6.5%, 42%)

CMYK

cmyk(6.5%, 0%, 5.6%, 58%)

LAB

lab(44.47, -3.94, 2.44)

LCH

lch(44.47, 4.63, 148.23)

OKLCH

oklch(52%, 0.0126, 149.58)

HWB

hwb(128.6, 39.2%, 58%)

Harmony colors

Complementary

#6b646a

Analogous

#676b64

#646b65

#646b69

Triadic

#646b65

#65646b

#6b6564

Split-complementary

#646b65

#69646b

#6b6467

Tetradic

#646b65

#646a6b

#6b646a

#6b6564

Square

#646b65

#64676b

#6b646a

#6b6964

Shades

Color #646b65 mixed toward black.

#535954

#434743

#323633

#212422

#111211

Tints

Color #646b65 mixed toward white.

#7c857e

#979d98

#b1b6b1

#cbcecb

#e5e7e5

Tones

Color #646b65 mixed toward gray.

#656a65

#656a66

#666966

#666967

#676867

Accessibility

Aa White text on this color

5.48:1

Aa Black text on this color

3.83:1

White text reads better on this background (5.48:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#676766 · ΔE 5.2

Deuteranopia

#676667 · ΔE 6.7

Tritanopia

#646868 · ΔE 4.1

Achromatopsia

#696969 · ΔE 5.6

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

Code

CSS

background-color: #646b65;

Tailwind (arbitrary value)

bg-[#646b65]

Related colors

Forest Green #228b22

Mint Green #98ff98

Dark Green #006400

Dark Sea Green #8fbc8f

Green #008000

Honeydew #f0fff0

Frequently asked questions

#646b65 (#646b65) is rgb(100, 107, 101) in RGB.

No, #646b65 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 #646b65, or check how it holds up for accessibility.

Generate a palette → Check contrast