What color is #33FF00?

#33FF00 is a vivid green known as Signal Green. It belongs to the green family of colors.

What is the RGB value of Signal Green?

The RGB value is 51, 255, 0: 51 red, 255 green and 0 blue on a 0 to 255 scale.

What is the complementary color of Signal Green?

The complementary color is #CC00FF, found by rotating the hue 180° on the color wheel.

Is black or white text better on #33FF00?

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.

Signal Green color: hex code #33FF00

#33FF00 rgb(51, 255, 0)

Shades of green

Signal Green has the hex code #33FF00. It is a vivid green.

In the RGB color model it is made of 20% red, 100% green and 0% blue (51, 255, 0).

Its hue angle is 108°, with 100% saturation and 50% lightness. For print, the CMYK equivalent is 80% cyan, 0% magenta, 100% yellow and 0% black.

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

Signal Green (#33FF00) color codes

HEX	`#33FF00`
RGB	`rgb(51, 255, 0)`
RGB percent	`rgb(20%, 100%, 0%)`
HSL	`hsl(108, 100%, 50%)`
HSV / HSB	`hsv(108, 100%, 100%)`
CMYK	`cmyk(80%, 0%, 100%, 0%)`
CIE LAB	`lab(88.07, -83.11, 83.59)`
CIE LCH	`lch(88.07, 117.88, 134.83)`
CIE XYZ	`xyz(37.123, 72.219, 11.983)`
Decimal	`3407616`
Short hex	`#3F0`

Color harmonies

Colors that go with Signal 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 #33FF00	Ratio	AA	AAA	AA large
Sample text	15.44:1	Pass	Pass	Pass
Sample text	1.36:1	Fail	Fail	Fail

#33FF00 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 #33FF00 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #33ff00; }
.text { color: #33ff00; }
.border { border: 2px solid #33ff00; }
.transparent { background-color: rgb(51 255 0 / 50%); }
.gradient { background: linear-gradient(to right, #33ff00, #00ff4c); }

Background

Text color

Border

Similar colors

See #33FF00 on its hex code page

Questions

What color is #33FF00?: #33FF00 is a vivid green known as Signal Green. It belongs to the green family of colors.
What is the RGB value of Signal Green?: The RGB value is 51, 255, 0: 51 red, 255 green and 0 blue on a 0 to 255 scale.
What is the complementary color of Signal Green?: The complementary color is #CC00FF, found by rotating the hue 180° on the color wheel.
Is black or white text better on #33FF00?: 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.