#63664e

Color #63664e

A nearly neutral, gray-leaning dark yellow.

Closest named color Dim Gray #696969 · ΔE 14.55 Nearest Tailwind class olive-600 #5b5b4b · ΔE 5.1

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

Conversions

HEX

#63664e

RGB

rgb(99, 102, 78)

HSL

hsl(67.5, 13.3%, 35.3%)

HSV / HSB

hsv(67.5, 23.5%, 40%)

CMYK

cmyk(2.9%, 0%, 23.5%, 60%)

LAB

lab(42.32, -5.71, 13.22)

LCH

lch(42.32, 14.4, 113.36)

OKLCH

oklch(50.1%, 0.0366, 113.49)

HWB

hwb(67.5, 30.6%, 60%)

Harmony colors

Complementary

#514e66

Analogous

#665d4e

#63664e

#57664e

Triadic

#63664e

#4e6366

#664e63

Split-complementary

#63664e

#4e5766

#5d4e66

Tetradic

#63664e

#4e6651

#514e66

#664e63

Square

#63664e

#4e665d

#514e66

#664e57

Shades

Color #63664e mixed toward black.

#525541

#424434

#313327

#21221a

#10110d

Tints

Color #63664e mixed toward white.

#818566

#9ca082

#b5b7a2

#cdcfc1

#e6e7e0

Tones

Color #63664e mixed toward gray.

#616450

#606252

#5f6054

#5d5e56

#5c5c58

Accessibility

Aa White text on this color

5.93:1

Aa Black text on this color

3.54:1

White text reads better on this background (5.93:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#646455 · ΔE 4

Deuteranopia

#646456 · ΔE 4.5

Tritanopia

#63595a · ΔE 16.8

Achromatopsia

#646464 · ΔE 11.6

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

Code

CSS

background-color: #63664e;

Tailwind (arbitrary value)

bg-[#63664e]

Related colors

Ivory #fffff0

Beige #f5f5dc

Light Goldenrod Yellow #fafad2

Light Yellow #ffffe0

Olive #808000

Yellow #ffff00

Frequently asked questions

#63664e (#63664e) is rgb(99, 102, 78) in RGB.

No, #63664e 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.

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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 #63664e, or check how it holds up for accessibility.

Generate a palette → Check contrast