What color is #B9FF03?

#B9FF03 is a vivid yellow-green known as Atomic Lime. It belongs to the green family of colors.

What is the RGB value of Atomic Lime?

The RGB value is 185, 255, 3: 185 red, 255 green and 3 blue on a 0 to 255 scale.

What is the complementary color of Atomic Lime?

The complementary color is #4903FF, found by rotating the hue 180° on the color wheel.

Is black or white text better on #B9FF03?

Black text. Black text has a contrast ratio of 17.37:1 and white text 1.21:1. WCAG asks for at least 4.5:1 for normal text.

Atomic Lime color: hex code #B9FF03

#B9FF03 rgb(185, 255, 3)

Shades of green

Atomic Lime has the hex code #B9FF03. It is a vivid yellow-green.

In the RGB color model it is made of 72.5% red, 100% green and 1.2% blue (185, 255, 3).

Its hue angle is 77°, with 100% saturation and 51% lightness. For print, the CMYK equivalent is 27% cyan, 0% magenta, 99% yellow and 0% black.

Black text is the more readable choice on this background (contrast 17.37:1).

Atomic Lime (#B9FF03) color codes

HEX	`#B9FF03`
RGB	`rgb(185, 255, 3)`
RGB percent	`rgb(72.5%, 100%, 1.2%)`
HSL	`hsl(77, 100%, 51%)`
HSV / HSB	`hsv(77, 99%, 100%)`
CMYK	`cmyk(27%, 0%, 99%, 0%)`
CIE LAB	`lab(92.5, -49.06, 88.74)`
CIE LCH	`lch(92.5, 101.4, 118.94)`
CIE XYZ	`xyz(55.784, 81.84, 12.944)`
Decimal	`12189443`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with Atomic Lime, 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 #B9FF03	Ratio	AA	AAA	AA large
Sample text	17.37:1	Pass	Pass	Pass
Sample text	1.21:1	Fail	Fail	Fail

#B9FF03 as text on	Ratio	AA	AAA	AA large
Sample text	1.21:1	Fail	Fail	Fail
Sample text	17.37:1	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 #B9FF03 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #b9ff03; }
.text { color: #b9ff03; }
.border { border: 2px solid #b9ff03; }
.transparent { background-color: rgb(185 255 3 / 50%); }
.gradient { background: linear-gradient(to right, #b9ff03, #3bff03); }

Background

Text color

Border

Similar colors

See #B9FF03 on its hex code page

Questions

What color is #B9FF03?: #B9FF03 is a vivid yellow-green known as Atomic Lime. It belongs to the green family of colors.
What is the RGB value of Atomic Lime?: The RGB value is 185, 255, 3: 185 red, 255 green and 3 blue on a 0 to 255 scale.
What is the complementary color of Atomic Lime?: The complementary color is #4903FF, found by rotating the hue 180° on the color wheel.
Is black or white text better on #B9FF03?: Black text. Black text has a contrast ratio of 17.37:1 and white text 1.21:1. WCAG asks for at least 4.5:1 for normal text.