#638c4a

Color #638c4a

A muted medium green.

Closest named color Dark Olive Green #556b2f · ΔE 14.1 Nearest Tailwind class lime-700 #497d00 · ΔE 9.9

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#638c4a

RGB

rgb(99, 140, 74)

HSL

hsl(97.3, 30.8%, 42%)

HSV / HSB

hsv(97.3, 47.1%, 54.9%)

CMYK

cmyk(29.3%, 0%, 47.1%, 45.1%)

LAB

lab(53.92, -26.71, 30.7)

LCH

lch(53.92, 40.69, 131.02)

OKLCH

oklch(59.4%, 0.1046, 134.65)

HWB

hwb(97.3, 29%, 45.1%)

Harmony colors

Complementary

#734a8c

Analogous

#848c4a

#638c4a

#4a8c52

Triadic

#638c4a

#4a638c

#8c4a63

Split-complementary

#638c4a

#524a8c

#8c4a84

Tetradic

#638c4a

#4a8c73

#734a8c

#8c4a63

Square

#638c4a

#4a848c

#734a8c

#8c524a

Shades

Color #638c4a mixed toward black.

#53753e

#425d31

#324625

#212f19

#11170c

Tints

Color #638c4a mixed toward white.

#7baa5e

#95bb7e

#b0cc9e

#caddbf

#e5eedf

Tones

Color #638c4a mixed toward gray.

#648750

#668155

#677c5b

#687660

#6a7166

Accessibility

Aa White text on this color

3.9:1

Aa Black text on this color

5.38:1

Black text reads better on this background (5.38:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#77775f · ΔE 14.9

Deuteranopia

#757164 · ΔE 19.7

Tritanopia

#666d70 · ΔE 25.2

Achromatopsia

#818181 · ΔE 22.6

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

Code

CSS

background-color: #638c4a;

Tailwind (arbitrary value)

bg-[#638c4a]

Related colors

Lawn Green #7cfc00

Chartreuse #7fff00

Green Yellow #adff2f

Dark Olive Green #556b2f

Yellow Green #9acd32

Olive Drab #6b8e23

Frequently asked questions

#638c4a (#638c4a) is rgb(99, 140, 74) in RGB.

No, #638c4a 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.

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.

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Build something with this color

Generate a full palette from #638c4a, or check how it holds up for accessibility.

Generate a palette → Check contrast