#647b6d

Color #647b6d

A nearly neutral, gray-leaning medium green.

Closest named color Gray #808080 · ΔE 13.08 Nearest Tailwind class mist-500 #67787c · ΔE 9.7

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Conversions

HEX

#647b6d

RGB

rgb(100, 123, 109)

HSL

hsl(143.5, 10.3%, 43.7%)

HSV / HSB

hsv(143.5, 18.7%, 48.2%)

CMYK

cmyk(18.7%, 0%, 11.4%, 51.8%)

LAB

lab(49.47, -11.41, 4.89)

LCH

lch(49.47, 12.41, 156.8)

OKLCH

oklch(56%, 0.0344, 158.35)

HWB

hwb(143.5, 39.2%, 51.8%)

Harmony colors

Complementary

#7b6472

Analogous

#667b64

#647b6d

#647b78

Triadic

#647b6d

#6d647b

#7b6d64

Split-complementary

#647b6d

#78647b

#7b6466

Tetradic

#647b6d

#64727b

#7b6472

#7b6d64

Square

#647b6d

#64667b

#7b6472

#7b7864

Shades

Color #647b6d mixed toward black.

#53665b

#435249

#323d36

#212924

#111412

Tints

Color #647b6d mixed toward white.

#7b9485

#95a99d

#b0bfb6

#cad4ce

#e5eae7

Tones

Color #647b6d mixed toward gray.

#66796d

#68776e

#6a756e

#6c736f

#6e716f

Accessibility

Aa White text on this color

4.57:1

Aa Black text on this color

4.6:1

Black text reads better on this background (4.6:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#6f6f71 · ΔE 13.8

Deuteranopia

#6d6c71 · ΔE 15.7

Tritanopia

#657374 · ΔE 8.7

Achromatopsia

#767676 · ΔE 12.7

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

Code

CSS

background-color: #647b6d;

Tailwind (arbitrary value)

bg-[#647b6d]

Related colors

Sea Green #2e8b57

Medium Sea Green #3cb371

Spring Green #00ff7f

Mint Cream #f5fffa

Medium Spring Green #00fa9a

Medium Aquamarine #66cdaa

Frequently asked questions

#647b6d (#647b6d) is rgb(100, 123, 109) in RGB.

No, #647b6d 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 #647b6d, or check how it holds up for accessibility.

Generate a palette → Check contrast