What color is #66D4D0?

#66D4D0 is a moderate cyan, closest to the named color Hidden Sea Glass. It belongs to the teal family of colors.

What is the RGB value of #66D4D0?

The RGB value is 102, 212, 208: 102 red, 212 green and 208 blue on a 0 to 255 scale.

What is the complementary color of #66D4D0?

The complementary color is #D4666A, found by rotating the hue 180° on the color wheel.

Is black or white text better on #66D4D0?

Black text. Black text has a contrast ratio of 11.89:1 and white text 1.77:1. WCAG asks for at least 4.5:1 for normal text.

#66D4D0 color

#66D4D0 rgb(102, 212, 208)

Shades of teal

The hex color #66D4D0 is a moderate cyan.

In the RGB color model it is made of 40% red, 83.1% green and 81.6% blue (102, 212, 208).

Its hue angle is 178°, with 56% saturation and 62% lightness. For print, the CMYK equivalent is 52% cyan, 0% magenta, 2% yellow and 17% black.

The closest named color is Hidden Sea Glass (#6FD1C9), a difference of 1.9 ΔE, which is barely visible.

Black text is the more readable choice on this background (contrast 11.89:1).

#66D4D0 color codes

HEX	`#66D4D0`
RGB	`rgb(102, 212, 208)`
RGB percent	`rgb(40%, 83.1%, 81.6%)`
HSL	`hsl(178, 56%, 62%)`
HSV / HSB	`hsv(178, 52%, 83%)`
CMYK	`cmyk(52%, 0%, 2%, 17%)`
CIE LAB	`lab(78.73, -32.37, -7.66)`
CIE LCH	`lch(78.73, 33.27, 193.32)`
CIE XYZ	`xyz(40.403, 54.462, 68.045)`
Decimal	`6739152`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #66D4D0, 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 #66D4D0	Ratio	AA	AAA	AA large
Sample text	11.89:1	Pass	Pass	Pass
Sample text	1.77:1	Fail	Fail	Fail

#66D4D0 as text on	Ratio	AA	AAA	AA large
Sample text	1.77:1	Fail	Fail	Fail
Sample text	11.89:1	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 #66D4D0 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #66d4d0; }
.text { color: #66d4d0; }
.border { border: 2px solid #66d4d0; }
.transparent { background-color: rgb(102 212 208 / 50%); }
.gradient { background: linear-gradient(to right, #66d4d0, #66a1d4); }

Background

Text color

Border

Similar colors

Questions

What color is #66D4D0?: #66D4D0 is a moderate cyan, closest to the named color Hidden Sea Glass. It belongs to the teal family of colors.
What is the RGB value of #66D4D0?: The RGB value is 102, 212, 208: 102 red, 212 green and 208 blue on a 0 to 255 scale.
What is the complementary color of #66D4D0?: The complementary color is #D4666A, found by rotating the hue 180° on the color wheel.
Is black or white text better on #66D4D0?: Black text. Black text has a contrast ratio of 11.89:1 and white text 1.77:1. WCAG asks for at least 4.5:1 for normal text.