What color is #00FF55?

#00FF55 is a vivid green known as Cathode Green. It belongs to the green family of colors.

What is the RGB value of Cathode Green?

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

What is the complementary color of Cathode Green?

The complementary color is #FF00AA, found by rotating the hue 180° on the color wheel.

Is black or white text better on #00FF55?

Black text. Black text has a contrast ratio of 15.44:1 and white text 1.36:1. WCAG asks for at least 4.5:1 for normal text.

Cathode Green color: hex code #00FF55

#00FF55 rgb(0, 255, 85)

Shades of green

Cathode Green has the hex code #00FF55. It is a vivid green.

In the RGB color model it is made of 0% red, 100% green and 33.3% blue (0, 255, 85).

Its hue angle is 140°, with 100% saturation and 50% lightness. For print, the CMYK equivalent is 100% cyan, 0% magenta, 67% yellow and 0% black.

Black text is the more readable choice on this background (contrast 15.44:1).

Cathode Green (#00FF55) color codes

HEX	`#00FF55`
RGB	`rgb(0, 255, 85)`
RGB percent	`rgb(0%, 100%, 33.3%)`
HSL	`hsl(140, 100%, 50%)`
HSV / HSB	`hsv(140, 100%, 100%)`
CMYK	`cmyk(100%, 0%, 67%, 0%)`
CIE LAB	`lab(88.05, -82.11, 64.67)`
CIE LCH	`lch(88.05, 104.52, 141.78)`
CIE XYZ	`xyz(37.397, 72.171, 20.552)`
Decimal	`65365`
Short hex	`#0F5`

Color harmonies

Colors that go with Cathode Green, 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 #00FF55	Ratio	AA	AAA	AA large
Sample text	15.44:1	Pass	Pass	Pass
Sample text	1.36:1	Fail	Fail	Fail

#00FF55 as text on	Ratio	AA	AAA	AA large
Sample text	1.36:1	Fail	Fail	Fail
Sample text	15.44:1	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 #00FF55 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #00ff55; }
.text { color: #00ff55; }
.border { border: 2px solid #00ff55; }
.transparent { background-color: rgb(0 255 85 / 50%); }
.gradient { background: linear-gradient(to right, #00ff55, #00ffd5); }

Background

Text color

Border

Similar colors

Closest common color name: Lime.

See #00FF55 on its hex code page

Questions

What color is #00FF55?: #00FF55 is a vivid green known as Cathode Green. It belongs to the green family of colors.
What is the RGB value of Cathode Green?: The RGB value is 0, 255, 85: 0 red, 255 green and 85 blue on a 0 to 255 scale.
What is the complementary color of Cathode Green?: The complementary color is #FF00AA, found by rotating the hue 180° on the color wheel.
Is black or white text better on #00FF55?: Black text. Black text has a contrast ratio of 15.44:1 and white text 1.36:1. WCAG asks for at least 4.5:1 for normal text.