What color is #66ACB5?

#66ACB5 is a desaturated cyan, closest to the named color Finnish Fiord. It belongs to the teal family of colors.

What is the RGB value of #66ACB5?

The RGB value is 102, 172, 181: 102 red, 172 green and 181 blue on a 0 to 255 scale.

What is the complementary color of #66ACB5?

The complementary color is #B56F66, found by rotating the hue 180° on the color wheel.

Is black or white text better on #66ACB5?

Black text. Black text has a contrast ratio of 8.13:1 and white text 2.58:1. WCAG asks for at least 4.5:1 for normal text.

#66ACB5 color

#66ACB5 rgb(102, 172, 181)

Shades of teal

The hex color #66ACB5 is a desaturated cyan.

In the RGB color model it is made of 40% red, 67.5% green and 71% blue (102, 172, 181).

Its hue angle is 187°, with 35% saturation and 55% lightness. For print, the CMYK equivalent is 44% cyan, 5% magenta, 0% yellow and 29% black.

The closest named color is Finnish Fiord (#5DB0BE), a difference of 2.2 ΔE, a small difference.

Black text is the more readable choice on this background (contrast 8.13:1).

#66ACB5 color codes

HEX	`#66ACB5`
RGB	`rgb(102, 172, 181)`
RGB percent	`rgb(40%, 67.5%, 71%)`
HSL	`hsl(187, 35%, 55%)`
HSV / HSB	`hsv(187, 44%, 71%)`
CMYK	`cmyk(44%, 5%, 0%, 29%)`
CIE LAB	`lab(66.26, -19.65, -11.52)`
CIE LCH	`lch(66.26, 22.78, 210.39)`
CIE XYZ	`xyz(28.569, 35.664, 49.085)`
Decimal	`6728885`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #66ACB5, 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 #66ACB5	Ratio	AA	AAA	AA large
Sample text	8.13:1	Pass	Pass	Pass
Sample text	2.58:1	Fail	Fail	Fail

#66ACB5 as text on	Ratio	AA	AAA	AA large
Sample text	2.58:1	Fail	Fail	Fail
Sample text	8.13:1	Pass	Pass	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 #66ACB5 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #66acb5; }
.text { color: #66acb5; }
.border { border: 2px solid #66acb5; }
.transparent { background-color: rgb(102 172 181 / 50%); }
.gradient { background: linear-gradient(to right, #66acb5, #6685b5); }

Background

Text color

Border

Similar colors

Closest common color name: Cadet Blue.

Questions

What color is #66ACB5?: #66ACB5 is a desaturated cyan, closest to the named color Finnish Fiord. It belongs to the teal family of colors.
What is the RGB value of #66ACB5?: The RGB value is 102, 172, 181: 102 red, 172 green and 181 blue on a 0 to 255 scale.
What is the complementary color of #66ACB5?: The complementary color is #B56F66, found by rotating the hue 180° on the color wheel.
Is black or white text better on #66ACB5?: Black text. Black text has a contrast ratio of 8.13:1 and white text 2.58:1. WCAG asks for at least 4.5:1 for normal text.