#645e3d

Color #645e3d

A muted dark yellow.

Closest named color Dark Olive Green #556b2f · ΔE 19.23 Nearest Tailwind class olive-600 #5b5b4b · ΔE 6.7

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Conversions

HEX

#645e3d

RGB

rgb(100, 94, 61)

HSL

hsl(50.8, 24.2%, 31.6%)

HSV / HSB

hsv(50.8, 39%, 39.2%)

CMYK

cmyk(0%, 6%, 39%, 60.8%)

LAB

lab(39.67, -3.12, 19.81)

LCH

lch(39.67, 20.05, 98.95)

OKLCH

oklch(47.9%, 0.0495, 99.18)

HWB

hwb(50.8, 23.9%, 60.8%)

Harmony colors

Complementary

#3d4364

Analogous

#644b3d

#645e3d

#57643d

Triadic

#645e3d

#3d645e

#5e3d64

Split-complementary

#645e3d

#3d5764

#4b3d64

Tetradic

#645e3d

#43643d

#3d4364

#5e3d64

Square

#645e3d

#3d644b

#3d4364

#643d57

Shades

Color #645e3d mixed toward black.

#534e33

#433f29

#322f1f

#211f14

#11100a

Tints

Color #645e3d mixed toward white.

#888053

#a79e6f

#bdb693

#d3cfb7

#e9e7db

Tones

Color #645e3d mixed toward gray.

#615c40

#5e5a44

#5a5747

#57554a

#54534d

Accessibility

Aa White text on this color

6.54:1

Aa Black text on this color

3.21:1

White text reads better on this background (6.54:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#616147 · ΔE 3.7

Deuteranopia

#626249 · ΔE 4.1

Tritanopia

#644d4f · ΔE 21.8

Achromatopsia

#5d5d5d · ΔE 14

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

Code

CSS

background-color: #645e3d;

Tailwind (arbitrary value)

bg-[#645e3d]

Related colors

Gold #ffd700

Cornsilk #fff8dc

Khaki #f0e68c

Lemon Chiffon #fffacd

Pale Goldenrod #eee8aa

Dark Khaki #bdb76b

Frequently asked questions

#645e3d (#645e3d) is rgb(100, 94, 61) in RGB.

No, #645e3d 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.

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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 #645e3d, or check how it holds up for accessibility.

Generate a palette → Check contrast