#666c6b

Color #666c6b

A nearly neutral, gray-leaning medium cyan.

Closest named color Dim Gray #696969 · ΔE 2.6 Nearest Tailwind class neutral-500 #737373 · ΔE 4.7

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

Conversions

HEX

#666c6b

RGB

rgb(102, 108, 107)

HSL

hsl(170, 2.9%, 41.2%)

HSV / HSB

hsv(170, 5.6%, 42.4%)

CMYK

cmyk(5.6%, 0%, 0.9%, 57.6%)

LAB

lab(45.1, -2.5, -0.24)

LCH

lch(45.1, 2.51, 185.48)

OKLCH

oklch(52.6%, 0.0075, 185.33)

HWB

hwb(170, 40%, 57.6%)

Harmony colors

Complementary

#6c6667

Analogous

#666c68

#666c6b

#666a6c

Triadic

#666c6b

#6b666c

#6c6b66

Split-complementary

#666c6b

#6c666a

#6c6866

Tetradic

#666c6b

#66676c

#6c6667

#6c6b66

Square

#666c6b

#68666c

#6c6667

#6a6c66

Shades

Color #666c6b mixed toward black.

#555a59

#444847

#333636

#222424

#111212

Tints

Color #666c6b mixed toward white.

#7e8684

#989e9d

#b2b6b5

#cccece

#e5e7e6

Tones

Color #666c6b mixed toward gray.

#676c6b

#676b6a

#686b6a

#686a6a

#696a69

Accessibility

Aa White text on this color

5.35:1

Aa Black text on this color

3.92:1

White text reads better on this background (5.35:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#69696b · ΔE 4.2

Deuteranopia

#68686b · ΔE 4.7

Tritanopia

#666b6b · ΔE 0.9

Achromatopsia

#6b6b6b · ΔE 3.5

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

Code

CSS

background-color: #666c6b;

Tailwind (arbitrary value)

bg-[#666c6b]

Related colors

Turquoise #40e0d0

Light Sea Green #20b2aa

Medium Turquoise #48d1cc

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Frequently asked questions

#666c6b (#666c6b) is rgb(102, 108, 107) in RGB.

No, #666c6b 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.

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Build something with this color

Generate a full palette from #666c6b, or check how it holds up for accessibility.

Generate a palette → Check contrast