What color is #3FF201?

#3FF201 is a vivid green, closest to the named color Nuclear Meltdown. It belongs to the green family of colors.

What is the RGB value of #3FF201?

The RGB value is 63, 242, 1: 63 red, 242 green and 1 blue on a 0 to 255 scale.

What is the complementary color of #3FF201?

The complementary color is #B401F2, found by rotating the hue 180° on the color wheel.

Is black or white text better on #3FF201?

Black text. Black text has a contrast ratio of 13.91:1 and white text 1.51:1. WCAG asks for at least 4.5:1 for normal text.

#3FF201 color

#3FF201 rgb(63, 242, 1)

Shades of green

The hex color #3FF201 is a vivid green.

In the RGB color model it is made of 24.7% red, 94.9% green and 0.4% blue (63, 242, 1).

Its hue angle is 105°, with 99% saturation and 48% lightness. For print, the CMYK equivalent is 74% cyan, 0% magenta, 100% yellow and 5% black.

The closest named color is Nuclear Meltdown (#44EE00), a difference of 0.9 ΔE, which is barely visible.

Black text is the more readable choice on this background (contrast 13.91:1).

#3FF201 color codes

HEX	`#3FF201`
RGB	`rgb(63, 242, 1)`
RGB percent	`rgb(24.7%, 94.9%, 0.4%)`
HSL	`hsl(105, 99%, 48%)`
HSV / HSB	`hsv(105, 100%, 95%)`
CMYK	`cmyk(74%, 0%, 100%, 5%)`
CIE LAB	`lab(84.26, -77.88, 80.54)`
CIE LCH	`lch(84.26, 112.03, 134.04)`
CIE XYZ	`xyz(33.806, 64.559, 10.708)`
Decimal	`4190721`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #3FF201, 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 #3FF201	Ratio	AA	AAA	AA large
Sample text	13.91:1	Pass	Pass	Pass
Sample text	1.51:1	Fail	Fail	Fail

#3FF201 as text on	Ratio	AA	AAA	AA large
Sample text	1.51:1	Fail	Fail	Fail
Sample text	13.91:1	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 #3FF201 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #3ff201; }
.text { color: #3ff201; }
.border { border: 2px solid #3ff201; }
.transparent { background-color: rgb(63 242 1 / 50%); }
.gradient { background: linear-gradient(to right, #3ff201, #01f23c); }

Background

Text color

Border

Similar colors

Questions

What color is #3FF201?: #3FF201 is a vivid green, closest to the named color Nuclear Meltdown. It belongs to the green family of colors.
What is the RGB value of #3FF201?: The RGB value is 63, 242, 1: 63 red, 242 green and 1 blue on a 0 to 255 scale.
What is the complementary color of #3FF201?: The complementary color is #B401F2, found by rotating the hue 180° on the color wheel.
Is black or white text better on #3FF201?: Black text. Black text has a contrast ratio of 13.91:1 and white text 1.51:1. WCAG asks for at least 4.5:1 for normal text.