What color is #668B90?

#668B90 is a grayish cyan, closest to the named color Arctic. It belongs to the teal family of colors.

What is the RGB value of #668B90?

The RGB value is 102, 139, 144: 102 red, 139 green and 144 blue on a 0 to 255 scale.

What is the complementary color of #668B90?

The complementary color is #906B66, found by rotating the hue 180° on the color wheel.

Is black or white text better on #668B90?

Black text. Black text has a contrast ratio of 5.66:1 and white text 3.71:1. WCAG asks for at least 4.5:1 for normal text.

#668B90 color

#668B90 rgb(102, 139, 144)

Shades of teal

The hex color #668B90 is a grayish cyan.

In the RGB color model it is made of 40% red, 54.5% green and 56.5% blue (102, 139, 144).

Its hue angle is 187°, with 17% saturation and 48% lightness. For print, the CMYK equivalent is 29% cyan, 3% magenta, 0% yellow and 44% black.

The closest named color is Arctic (#648589), a difference of 2.2 ΔE, a small difference.

Black text is the more readable choice on this background (contrast 5.66:1).

#668B90 color codes

HEX	`#668B90`
RGB	`rgb(102, 139, 144)`
RGB percent	`rgb(40%, 54.5%, 56.5%)`
HSL	`hsl(187, 17%, 48%)`
HSV / HSB	`hsv(187, 29%, 56%)`
CMYK	`cmyk(29%, 3%, 0%, 44%)`
CIE LAB	`lab(55.38, -11.56, -6.83)`
CIE LCH	`lch(55.38, 13.43, 210.59)`
CIE XYZ	`xyz(19.745, 23.303, 29.838)`
Decimal	`6720400`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #668B90, 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 #668B90	Ratio	AA	AAA	AA large
Sample text	5.66:1	Pass	Fail	Pass
Sample text	3.71:1	Fail	Fail	Pass

#668B90 as text on	Ratio	AA	AAA	AA large
Sample text	3.71:1	Fail	Fail	Pass
Sample text	5.66:1	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 #668B90 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #668b90; }
.text { color: #668b90; }
.border { border: 2px solid #668b90; }
.transparent { background-color: rgb(102 139 144 / 50%); }
.gradient { background: linear-gradient(to right, #668b90, #667690); }

Background

Text color

Border

Similar colors

Questions

What color is #668B90?: #668B90 is a grayish cyan, closest to the named color Arctic. It belongs to the teal family of colors.
What is the RGB value of #668B90?: The RGB value is 102, 139, 144: 102 red, 139 green and 144 blue on a 0 to 255 scale.
What is the complementary color of #668B90?: The complementary color is #906B66, found by rotating the hue 180° on the color wheel.
Is black or white text better on #668B90?: Black text. Black text has a contrast ratio of 5.66:1 and white text 3.71:1. WCAG asks for at least 4.5:1 for normal text.