What color is #288D55?

#288D55 is a dark, moderate green, closest to the named color Sea Green. It belongs to the green family of colors.

What is the RGB value of #288D55?

The RGB value is 40, 141, 85: 40 red, 141 green and 85 blue on a 0 to 255 scale.

What is the complementary color of #288D55?

The complementary color is #8D2860, found by rotating the hue 180° on the color wheel.

Is black or white text better on #288D55?

Black text. Black text has a contrast ratio of 5.03:1 and white text 4.17:1. WCAG asks for at least 4.5:1 for normal text.

#288D55 color

#288D55 rgb(40, 141, 85)

Shades of green

The hex color #288D55 is a dark, moderate green.

In the RGB color model it is made of 15.7% red, 55.3% green and 33.3% blue (40, 141, 85).

Its hue angle is 147°, with 56% saturation and 35% lightness. For print, the CMYK equivalent is 72% cyan, 0% magenta, 40% yellow and 45% black.

The closest named color is Sea Green (#2E8B57), a difference of 1.1 ΔE, which is barely visible.

Black text is the more readable choice on this background (contrast 5.03:1).

#288D55 color codes

HEX	`#288D55`
RGB	`rgb(40, 141, 85)`
RGB percent	`rgb(15.7%, 55.3%, 33.3%)`
HSL	`hsl(147, 56%, 35%)`
HSV / HSB	`hsv(147, 72%, 55%)`
CMYK	`cmyk(72%, 0%, 40%, 45%)`
CIE LAB	`lab(52.01, -42.06, 21.78)`
CIE LCH	`lch(52.01, 47.36, 152.62)`
CIE XYZ	`xyz(12.039, 20.155, 11.848)`
Decimal	`2657621`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #288D55, 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 #288D55	Ratio	AA	AAA	AA large
Sample text	5.03:1	Pass	Fail	Pass
Sample text	4.17:1	Fail	Fail	Pass

#288D55 as text on	Ratio	AA	AAA	AA large
Sample text	4.17:1	Fail	Fail	Pass
Sample text	5.03:1	Pass	Fail	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 #288D55 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #288d55; }
.text { color: #288d55; }
.border { border: 2px solid #288d55; }
.transparent { background-color: rgb(40 141 85 / 50%); }
.gradient { background: linear-gradient(to right, #288d55, #288d88); }

Background

Text color

Border

Similar colors

Questions

What color is #288D55?: #288D55 is a dark, moderate green, closest to the named color Sea Green. It belongs to the green family of colors.
What is the RGB value of #288D55?: The RGB value is 40, 141, 85: 40 red, 141 green and 85 blue on a 0 to 255 scale.
What is the complementary color of #288D55?: The complementary color is #8D2860, found by rotating the hue 180° on the color wheel.
Is black or white text better on #288D55?: Black text. Black text has a contrast ratio of 5.03:1 and white text 4.17:1. WCAG asks for at least 4.5:1 for normal text.