What color is #18D17B?

#18D17B is a moderate spring green known as Seaweed. It belongs to the green family of colors.

What is the RGB value of Seaweed?

The RGB value is 24, 209, 123: 24 red, 209 green and 123 blue on a 0 to 255 scale.

What is the complementary color of Seaweed?

The complementary color is #D1186E, found by rotating the hue 180° on the color wheel.

Is black or white text better on #18D17B?

Black text. Black text has a contrast ratio of 10.45:1 and white text 2.01:1. WCAG asks for at least 4.5:1 for normal text.

Seaweed color: hex code #18D17B

#18D17B rgb(24, 209, 123)

Shades of green

Seaweed has the hex code #18D17B. It is a moderate spring green.

In the RGB color model it is made of 9.4% red, 82% green and 48.2% blue (24, 209, 123).

Its hue angle is 152°, with 79% saturation and 46% lightness. For print, the CMYK equivalent is 89% cyan, 0% magenta, 41% yellow and 18% black.

Black text is the more readable choice on this background (contrast 10.45:1).

Seaweed (#18D17B) color codes

HEX	`#18D17B`
RGB	`rgb(24, 209, 123)`
RGB percent	`rgb(9.4%, 82%, 48.2%)`
HSL	`hsl(152, 79%, 46%)`
HSV / HSB	`hsv(152, 89%, 82%)`
CMYK	`cmyk(89%, 0%, 41%, 18%)`
CIE LAB	`lab(74.33, -61.69, 30.97)`
CIE LCH	`lch(74.33, 69.03, 153.35)`
CIE XYZ	`xyz(26.75, 47.222, 26.44)`
Decimal	`1626491`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with Seaweed, 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 #18D17B	Ratio	AA	AAA	AA large
Sample text	10.45:1	Pass	Pass	Pass
Sample text	2.01:1	Fail	Fail	Fail

#18D17B as text on	Ratio	AA	AAA	AA large
Sample text	2.01:1	Fail	Fail	Fail
Sample text	10.45:1	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 #18D17B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #18d17b; }
.text { color: #18d17b; }
.border { border: 2px solid #18d17b; }
.transparent { background-color: rgb(24 209 123 / 50%); }
.gradient { background: linear-gradient(to right, #18d17b, #18cad1); }

Background

Text color

Border

Similar colors

See #18D17B on its hex code page

Questions

What color is #18D17B?: #18D17B is a moderate spring green known as Seaweed. It belongs to the green family of colors.
What is the RGB value of Seaweed?: The RGB value is 24, 209, 123: 24 red, 209 green and 123 blue on a 0 to 255 scale.
What is the complementary color of Seaweed?: The complementary color is #D1186E, found by rotating the hue 180° on the color wheel.
Is black or white text better on #18D17B?: Black text. Black text has a contrast ratio of 10.45:1 and white text 2.01:1. WCAG asks for at least 4.5:1 for normal text.