What color is #21CA7B?

#21CA7B is a moderate spring green, closest to the named color Seaweed. It belongs to the green family of colors.

What is the RGB value of #21CA7B?

The RGB value is 33, 202, 123: 33 red, 202 green and 123 blue on a 0 to 255 scale.

What is the complementary color of #21CA7B?

The complementary color is #CA2170, found by rotating the hue 180° on the color wheel.

Is black or white text better on #21CA7B?

Black text. Black text has a contrast ratio of 9.8:1 and white text 2.14:1. WCAG asks for at least 4.5:1 for normal text.

#21CA7B color

#21CA7B rgb(33, 202, 123)

Shades of green

The hex color #21CA7B is a moderate spring green.

In the RGB color model it is made of 12.9% red, 79.2% green and 48.2% blue (33, 202, 123).

Its hue angle is 152°, with 72% saturation and 46% lightness. For print, the CMYK equivalent is 84% cyan, 0% magenta, 39% yellow and 21% black.

The closest named color is Seaweed (#18D17B), a difference of 1.9 ΔE, which is barely visible.

Black text is the more readable choice on this background (contrast 9.8:1).

#21CA7B color codes

HEX	`#21CA7B`
RGB	`rgb(33, 202, 123)`
RGB percent	`rgb(12.9%, 79.2%, 48.2%)`
HSL	`hsl(152, 72%, 46%)`
HSV / HSB	`hsv(152, 84%, 79%)`
CMYK	`cmyk(84%, 0%, 39%, 21%)`
CIE LAB	`lab(72.22, -58.55, 28.2)`
CIE LCH	`lch(72.22, 64.99, 154.28)`
CIE XYZ	`xyz(25.32, 43.991, 25.892)`
Decimal	`2214523`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #21CA7B, 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 #21CA7B	Ratio	AA	AAA	AA large
Sample text	9.8:1	Pass	Pass	Pass
Sample text	2.14:1	Fail	Fail	Fail

#21CA7B as text on	Ratio	AA	AAA	AA large
Sample text	2.14:1	Fail	Fail	Fail
Sample text	9.8:1	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 #21CA7B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #21ca7b; }
.text { color: #21ca7b; }
.border { border: 2px solid #21ca7b; }
.transparent { background-color: rgb(33 202 123 / 50%); }
.gradient { background: linear-gradient(to right, #21ca7b, #21c4ca); }

Background

Text color

Border

Similar colors

Questions

What color is #21CA7B?: #21CA7B is a moderate spring green, closest to the named color Seaweed. It belongs to the green family of colors.
What is the RGB value of #21CA7B?: The RGB value is 33, 202, 123: 33 red, 202 green and 123 blue on a 0 to 255 scale.
What is the complementary color of #21CA7B?: The complementary color is #CA2170, found by rotating the hue 180° on the color wheel.
Is black or white text better on #21CA7B?: Black text. Black text has a contrast ratio of 9.8:1 and white text 2.14:1. WCAG asks for at least 4.5:1 for normal text.