What color is #666D6C?

#666D6C is a gray, closest to the named color Shadows. It belongs to the gray family of colors.

What is the RGB value of #666D6C?

The RGB value is 102, 109, 108: 102 red, 109 green and 108 blue on a 0 to 255 scale.

What is the complementary color of #666D6C?

The complementary color is #6D6667, found by rotating the hue 180° on the color wheel.

Is black or white text better on #666D6C?

White text. Black text has a contrast ratio of 3.97:1 and white text 5.29:1. WCAG asks for at least 4.5:1 for normal text.

#666D6C color

#666D6C rgb(102, 109, 108)

Shades of gray

The hex color #666D6C is a gray.

In the RGB color model it is made of 40% red, 42.7% green and 42.4% blue (102, 109, 108).

Its hue angle is 171°, with 3% saturation and 41% lightness. For print, the CMYK equivalent is 6% cyan, 0% magenta, 1% yellow and 57% black.

The closest named color is Shadows (#6B6D6A), a difference of 2.6 ΔE, a small difference.

White text is the more readable choice on this background (contrast 5.29:1).

#666D6C color codes

HEX	`#666D6C`
RGB	`rgb(102, 109, 108)`
RGB percent	`rgb(40%, 42.7%, 42.4%)`
HSL	`hsl(171, 3%, 41%)`
HSV / HSB	`hsv(171, 6%, 43%)`
CMYK	`cmyk(6%, 0%, 1%, 57%)`
CIE LAB	`lab(45.42, -2.88, -0.36)`
CIE LCH	`lch(45.42, 2.9, 187.2)`
CIE XYZ	`xyz(13.654, 14.845, 16.33)`
Decimal	`6712684`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #666D6C, based on their position on the color wheel.

Complementary

The color opposite on the color wheel (180°). Strongest contrast.

Analogous

Neighbors 30° either side. Calm, natural combinations.

Split complementary

The two colors next to the complement (150° and 210°).

Triadic

Three colors evenly spaced, 120° apart.

Tetradic (square)

Four colors 90° apart.

Shades, tints and tones

Shades (darker, mixed with black)

Tints (lighter, mixed with white)

Tones (mixed with gray)

Contrast and accessibility

Text on #666D6C	Ratio	AA	AAA	AA large
Sample text	3.97:1	Fail	Fail	Pass
Sample text	5.29:1	Pass	Fail	Pass

#666D6C as text on	Ratio	AA	AAA	AA large
Sample text	5.29:1	Pass	Fail	Pass
Sample text	3.97:1	Fail	Fail	Pass

WCAG 2 asks for 4.5:1 for normal text (AA), 7:1 for AAA, and 3:1 for large text. Check other pairs.

Color blindness simulation

How #666D6C looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #666d6c; }
.text { color: #666d6c; }
.border { border: 2px solid #666d6c; }
.transparent { background-color: rgb(102 109 108 / 50%); }
.gradient { background: linear-gradient(to right, #666d6c, #666a6d); }

Background

Text color

Border

Similar colors

Questions

What color is #666D6C?: #666D6C is a gray, closest to the named color Shadows. It belongs to the gray family of colors.
What is the RGB value of #666D6C?: The RGB value is 102, 109, 108: 102 red, 109 green and 108 blue on a 0 to 255 scale.
What is the complementary color of #666D6C?: The complementary color is #6D6667, found by rotating the hue 180° on the color wheel.
Is black or white text better on #666D6C?: White text. Black text has a contrast ratio of 3.97:1 and white text 5.29:1. WCAG asks for at least 4.5:1 for normal text.