What color is #66EEBB?

#66EEBB is a light, vivid spring green known as Onsen. It belongs to the green family of colors.

What is the RGB value of Onsen?

The RGB value is 102, 238, 187: 102 red, 238 green and 187 blue on a 0 to 255 scale.

What is the complementary color of Onsen?

The complementary color is #EE6699, found by rotating the hue 180° on the color wheel.

Is black or white text better on #66EEBB?

Black text. Black text has a contrast ratio of 14.51:1 and white text 1.45:1. WCAG asks for at least 4.5:1 for normal text.

Onsen color: hex code #66EEBB

#66EEBB rgb(102, 238, 187)

Shades of green

Onsen has the hex code #66EEBB. It is a light, vivid spring green.

In the RGB color model it is made of 40% red, 93.3% green and 73.3% blue (102, 238, 187).

Its hue angle is 158°, with 80% saturation and 67% lightness. For print, the CMYK equivalent is 57% cyan, 0% magenta, 21% yellow and 7% black.

Black text is the more readable choice on this background (contrast 14.51:1).

Onsen (#66EEBB) color codes

HEX	`#66EEBB`
RGB	`rgb(102, 238, 187)`
RGB percent	`rgb(40%, 93.3%, 73.3%)`
HSL	`hsl(158, 80%, 67%)`
HSV / HSB	`hsv(158, 57%, 93%)`
CMYK	`cmyk(57%, 0%, 21%, 7%)`
CIE LAB	`lab(85.78, -48.97, 13.67)`
CIE LCH	`lch(85.78, 50.85, 164.4)`
CIE XYZ	`xyz(45.019, 67.557, 57.671)`
Decimal	`6745787`
Short hex	`#6EB`

Color harmonies

Colors that go with Onsen, 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 #66EEBB	Ratio	AA	AAA	AA large
Sample text	14.51:1	Pass	Pass	Pass
Sample text	1.45:1	Fail	Fail	Fail

#66EEBB as text on	Ratio	AA	AAA	AA large
Sample text	1.45:1	Fail	Fail	Fail
Sample text	14.51:1	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 #66EEBB looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #66eebb; }
.text { color: #66eebb; }
.border { border: 2px solid #66eebb; }
.transparent { background-color: rgb(102 238 187 / 50%); }
.gradient { background: linear-gradient(to right, #66eebb, #66ddee); }

Background

Text color

Border

Similar colors

See #66EEBB on its hex code page

Questions

What color is #66EEBB?: #66EEBB is a light, vivid spring green known as Onsen. It belongs to the green family of colors.
What is the RGB value of Onsen?: The RGB value is 102, 238, 187: 102 red, 238 green and 187 blue on a 0 to 255 scale.
What is the complementary color of Onsen?: The complementary color is #EE6699, found by rotating the hue 180° on the color wheel.
Is black or white text better on #66EEBB?: Black text. Black text has a contrast ratio of 14.51:1 and white text 1.45:1. WCAG asks for at least 4.5:1 for normal text.