#646a63

Color #646a63

A nearly neutral, gray-leaning medium green.

Closest named color Dim Gray #696969 · ΔE 4.9 Nearest Tailwind class neutral-500 #737373 · ΔE 7

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Conversions

HEX

#646a63

RGB

rgb(100, 106, 99)

HSL

hsl(111.4, 3.4%, 40.2%)

HSV / HSB

hsv(111.4, 6.6%, 41.6%)

CMYK

cmyk(5.7%, 0%, 6.6%, 58.4%)

LAB

lab(44.12, -3.76, 3.13)

LCH

lch(44.12, 4.89, 140.22)

OKLCH

oklch(51.7%, 0.0131, 141.2)

HWB

hwb(111.4, 38.8%, 58.4%)

Harmony colors

Complementary

#69636a

Analogous

#686a63

#646a63

#636a66

Triadic

#646a63

#63646a

#6a6364

Split-complementary

#646a63

#66636a

#6a6368

Tetradic

#646a63

#636a69

#69636a

#6a6364

Square

#646a63

#63686a

#69636a

#6a6663

Shades

Color #646a63 mixed toward black.

#535853

#434742

#323532

#212321

#111211

Tints

Color #646a63 mixed toward white.

#7d847c

#979d96

#b1b5b0

#cbceca

#e5e6e5

Tones

Color #646a63 mixed toward gray.

#646964

#656964

#656865

#666865

#666766

Accessibility

Aa White text on this color

5.55:1

Aa Black text on this color

3.78:1

White text reads better on this background (5.55:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#676765 · ΔE 4.7

Deuteranopia

#666665 · ΔE 5.2

Tritanopia

#646666 · ΔE 5

Achromatopsia

#686868 · ΔE 5.6

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

Code

CSS

background-color: #646a63;

Tailwind (arbitrary value)

bg-[#646a63]

Related colors

Forest Green #228b22

Mint Green #98ff98

Dark Green #006400

Dark Sea Green #8fbc8f

Green #008000

Honeydew #f0fff0

Frequently asked questions

#646a63 (#646a63) is rgb(100, 106, 99) in RGB.

No, #646a63 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.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #646a63, or check how it holds up for accessibility.

Generate a palette → Check contrast