What color is #668181?

#668181 is a grayish cyan, closest to the named color Stream Burble. It belongs to the gray family of colors.

What is the RGB value of #668181?

The RGB value is 102, 129, 129: 102 red, 129 green and 129 blue on a 0 to 255 scale.

What is the complementary color of #668181?

The complementary color is #816666, found by rotating the hue 180° on the color wheel.

Is black or white text better on #668181?

Black text. Black text has a contrast ratio of 5.02:1 and white text 4.18:1. WCAG asks for at least 4.5:1 for normal text.

#668181 color

#668181 rgb(102, 129, 129)

Shades of gray

The hex color #668181 is a grayish cyan.

In the RGB color model it is made of 40% red, 50.6% green and 50.6% blue (102, 129, 129).

Its hue angle is 180°, with 12% saturation and 45% lightness. For print, the CMYK equivalent is 21% cyan, 0% magenta, 0% yellow and 49% black.

The closest named color is Stream Burble (#5E7E7D), a difference of 2.3 ΔE, a small difference.

Black text is the more readable choice on this background (contrast 5.02:1).

#668181 color codes

HEX	`#668181`
RGB	`rgb(102, 129, 129)`
RGB percent	`rgb(40%, 50.6%, 50.6%)`
HSL	`hsl(180, 12%, 45%)`
HSV / HSB	`hsv(180, 21%, 51%)`
CMYK	`cmyk(21%, 0%, 0%, 49%)`
CIE LAB	`lab(51.96, -9.62, -3.19)`
CIE LCH	`lch(51.96, 10.14, 198.35)`
CIE XYZ	`xyz(17.291, 20.11, 23.735)`
Decimal	`6717825`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #668181, 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 #668181	Ratio	AA	AAA	AA large
Sample text	5.02:1	Pass	Fail	Pass
Sample text	4.18:1	Fail	Fail	Pass

#668181 as text on	Ratio	AA	AAA	AA large
Sample text	4.18:1	Fail	Fail	Pass
Sample text	5.02:1	Pass	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 #668181 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #668181; }
.text { color: #668181; }
.border { border: 2px solid #668181; }
.transparent { background-color: rgb(102 129 129 / 50%); }
.gradient { background: linear-gradient(to right, #668181, #667481); }

Background

Text color

Border

Similar colors

Closest common color name: Juniper.

Questions

What color is #668181?: #668181 is a grayish cyan, closest to the named color Stream Burble. It belongs to the gray family of colors.
What is the RGB value of #668181?: The RGB value is 102, 129, 129: 102 red, 129 green and 129 blue on a 0 to 255 scale.
What is the complementary color of #668181?: The complementary color is #816666, found by rotating the hue 180° on the color wheel.
Is black or white text better on #668181?: Black text. Black text has a contrast ratio of 5.02:1 and white text 4.18:1. WCAG asks for at least 4.5:1 for normal text.