What color is #66A5A3?

#66A5A3 is a desaturated cyan, closest to the named color Cadet Blue. It belongs to the teal family of colors.

What is the RGB value of #66A5A3?

The RGB value is 102, 165, 163: 102 red, 165 green and 163 blue on a 0 to 255 scale.

What is the complementary color of #66A5A3?

The complementary color is #A56668, found by rotating the hue 180° on the color wheel.

Is black or white text better on #66A5A3?

Black text. Black text has a contrast ratio of 7.48:1 and white text 2.81:1. WCAG asks for at least 4.5:1 for normal text.

#66A5A3 color

#66A5A3 rgb(102, 165, 163)

Shades of teal

The hex color #66A5A3 is a desaturated cyan.

In the RGB color model it is made of 40% red, 64.7% green and 63.9% blue (102, 165, 163).

Its hue angle is 178°, with 26% saturation and 52% lightness. For print, the CMYK equivalent is 38% cyan, 0% magenta, 1% yellow and 35% black.

The closest named color is Cadet Blue (#5F9EA0), a difference of 2.7 ΔE, a small difference.

Black text is the more readable choice on this background (contrast 7.48:1).

#66A5A3 color codes

HEX	`#66A5A3`
RGB	`rgb(102, 165, 163)`
RGB percent	`rgb(40%, 64.7%, 63.9%)`
HSL	`hsl(178, 26%, 52%)`
HSV / HSB	`hsv(178, 38%, 65%)`
CMYK	`cmyk(38%, 0%, 1%, 35%)`
CIE LAB	`lab(63.65, -20.67, -5.36)`
CIE LCH	`lch(63.65, 21.36, 194.54)`
CIE XYZ	`xyz(25.543, 32.378, 39.547)`
Decimal	`6727075`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #66A5A3, 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 #66A5A3	Ratio	AA	AAA	AA large
Sample text	7.48:1	Pass	Pass	Pass
Sample text	2.81:1	Fail	Fail	Fail

#66A5A3 as text on	Ratio	AA	AAA	AA large
Sample text	2.81:1	Fail	Fail	Fail
Sample text	7.48:1	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 #66A5A3 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #66a5a3; }
.text { color: #66a5a3; }
.border { border: 2px solid #66a5a3; }
.transparent { background-color: rgb(102 165 163 / 50%); }
.gradient { background: linear-gradient(to right, #66a5a3, #6688a5); }

Background

Text color

Border

Similar colors

Questions

What color is #66A5A3?: #66A5A3 is a desaturated cyan, closest to the named color Cadet Blue. It belongs to the teal family of colors.
What is the RGB value of #66A5A3?: The RGB value is 102, 165, 163: 102 red, 165 green and 163 blue on a 0 to 255 scale.
What is the complementary color of #66A5A3?: The complementary color is #A56668, found by rotating the hue 180° on the color wheel.
Is black or white text better on #66A5A3?: Black text. Black text has a contrast ratio of 7.48:1 and white text 2.81:1. WCAG asks for at least 4.5:1 for normal text.