What color is #66CDAA?

#66CDAA is a moderate spring green known as Medium Aquamarine. It belongs to the green family of colors.

What is the RGB value of Medium Aquamarine?

The RGB value is 102, 205, 170: 102 red, 205 green and 170 blue on a 0 to 255 scale.

What is the complementary color of Medium Aquamarine?

The complementary color is #CD6689, found by rotating the hue 180° on the color wheel.

Is black or white text better on #66CDAA?

Black text. Black text has a contrast ratio of 10.88:1 and white text 1.93:1. WCAG asks for at least 4.5:1 for normal text.

Medium Aquamarine color: hex code #66CDAA

#66CDAA rgb(102, 205, 170)

Shades of green

Medium Aquamarine has the hex code #66CDAA. It is a moderate spring green.

In the RGB color model it is made of 40% red, 80.4% green and 66.7% blue (102, 205, 170).

Its hue angle is 160°, with 51% saturation and 60% lightness. For print, the CMYK equivalent is 50% cyan, 0% magenta, 17% yellow and 20% black.

You can use it in CSS with the keyword mediumaquamarine.

Black text is the more readable choice on this background (contrast 10.88:1).

Medium Aquamarine (#66CDAA) color codes

HEX	`#66CDAA`
RGB	`rgb(102, 205, 170)`
RGB percent	`rgb(40%, 80.4%, 66.7%)`
HSL	`hsl(160, 51%, 60%)`
HSV / HSB	`hsv(160, 50%, 80%)`
CMYK	`cmyk(50%, 0%, 17%, 20%)`
CIE LAB	`lab(75.69, -38.34, 8.31)`
CIE LCH	`lch(75.69, 39.23, 167.77)`
CIE XYZ	`xyz(34.563, 49.387, 45.734)`
Decimal	`6737322`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with Medium Aquamarine, 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 #66CDAA	Ratio	AA	AAA	AA large
Sample text	10.88:1	Pass	Pass	Pass
Sample text	1.93:1	Fail	Fail	Fail

#66CDAA as text on	Ratio	AA	AAA	AA large
Sample text	1.93:1	Fail	Fail	Fail
Sample text	10.88:1	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 #66CDAA looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #66cdaa; }
.text { color: #66cdaa; }
.border { border: 2px solid #66cdaa; }
.transparent { background-color: rgb(102 205 170 / 50%); }
.gradient { background: linear-gradient(to right, #66cdaa, #66bccd); }

Background

Text color

Border

Similar colors

See #66CDAA on its hex code page

Questions

What color is #66CDAA?: #66CDAA is a moderate spring green known as Medium Aquamarine. It belongs to the green family of colors.
What is the RGB value of Medium Aquamarine?: The RGB value is 102, 205, 170: 102 red, 205 green and 170 blue on a 0 to 255 scale.
What is the complementary color of Medium Aquamarine?: The complementary color is #CD6689, found by rotating the hue 180° on the color wheel.
Is black or white text better on #66CDAA?: Black text. Black text has a contrast ratio of 10.88:1 and white text 1.93:1. WCAG asks for at least 4.5:1 for normal text.