#645e3f

Color #645e3f

A muted dark yellow.

Closest named color Dim Gray #696969 · ΔE 19.46 Nearest Tailwind class olive-600 #5b5b4b · ΔE 6.1

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

Conversions

HEX

#645e3f

RGB

rgb(100, 94, 63)

HSL

hsl(50.3, 22.7%, 32%)

HSV / HSB

hsv(50.3, 37%, 39.2%)

CMYK

cmyk(0%, 6%, 37%, 60.8%)

LAB

lab(39.7, -2.85, 18.67)

LCH

lch(39.7, 18.89, 98.68)

OKLCH

oklch(47.9%, 0.0468, 98.6)

HWB

hwb(50.3, 24.7%, 60.8%)

Harmony colors

Complementary

#3f4564

Analogous

#644c3f

#645e3f

#58643f

Triadic

#645e3f

#3f645e

#5e3f64

Split-complementary

#645e3f

#3f5864

#4c3f64

Tetradic

#645e3f

#45643f

#3f4564

#5e3f64

Square

#645e3f

#3f644c

#3f4564

#643f58

Shades

Color #645e3f mixed toward black.

#534e35

#433f2a

#322f20

#211f15

#11100b

Tints

Color #645e3f mixed toward white.

#887f55

#a69d71

#bcb695

#d2ceb8

#e9e7dc

Tones

Color #645e3f mixed toward gray.

#615c42

#5e5a45

#5b5848

#58564b

#55544f

Accessibility

Aa White text on this color

6.53:1

Aa Black text on this color

3.21:1

White text reads better on this background (6.53:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#616148 · ΔE 3.6

Deuteranopia

#62624a · ΔE 3.9

Tritanopia

#644e50 · ΔE 20.9

Achromatopsia

#5e5e5e · ΔE 13.4

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

Code

CSS

background-color: #645e3f;

Tailwind (arbitrary value)

bg-[#645e3f]

Related colors

Gold #ffd700

Cornsilk #fff8dc

Khaki #f0e68c

Lemon Chiffon #fffacd

Pale Goldenrod #eee8aa

Dark Khaki #bdb76b

Frequently asked questions

#645e3f (#645e3f) is rgb(100, 94, 63) in RGB.

No, #645e3f 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 #645e3f, or check how it holds up for accessibility.

Generate a palette → Check contrast