#3ff201

Harlequin

Closest match (97% match)

Color formats

RGB

rgb(63, 242, 1)

Red, Green, Blue components

HSL

hsl(105, 99%, 48%)

Hue, Saturation, Lightness

CMYK

cmyk(74, 0, 100, 5)

Print color encoding

Luminance

0.646

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#3ff201

#b401f2

Analogous (Adjacent)

#b7f201

#3ff201

#01f23c

Triadic

#3ff201

#013ff2

#f2013f

Split complementary

#3ff201

#3c01f2

#f201b7

Complete conversion table

HEX

#3FF201

RGB

rgb(63,242,1)

RGBA

rgba(63,242,1, 1)

HSL

hsl(104.56,99.18%,47.65%)

OKLCH (Modern CSS)

oklch(0.84 0.27 140.8)

CSS Variable

--color: #3ff201;

Preview

Readability and Typography

Headline Test

This text demonstrates the reading experience on this background color.

Headline Test

This text demonstrates the reading experience on this background color.

UI Component Set

This is an example alert bar using the selected color.

SOLIDSOFTOUTLINE

Product Mockup

4582 •••• •••• 9018

CARDHOLDER

JOHN DOE

VALID

12/28

Mobile application

Customer support

Hi! How can we help you today?

I love this new color! 😍

Data visualization

Weekly growth

+1,240

12.5%

1D

1W

1M

WED

2,450

Contrast

Contrast and readability (WCAG)

On white background

1.51

AP

Small text (14pt)

The quick brown fox jumps over...

AA

AAA

Large text or UI (18pt Bold)

AA

AAA

On black background

13.91

AP

Small text (14pt)

The quick brown fox jumps over...

AA

AAA

Large text or UI (18pt Bold)

AA

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#3ff201#888601

ORIG

SIM

Deuteranopia (green)

#3ff201#272c01

ORIG

SIM

Tritanopia (blue)

#3ff201#488d9e

ORIG

SIM

Monochrome (color blind)

#3ff201#9de581

Mixing guide

How to mix this color using physical paints or printing inks.

MIXING PALETTE

52%

44%

4%

RYB PIGMENTS

Ultramarine blue

Pigment

52%

Cadmium yellow

Pigment

44%

Ivory black

Pigment

4%

Unlike light, mixing paints makes colors darker. This simulation mimics the behavior of physical pigments.

Physical properties

Perceptual and light-related properties derived from the digital color.

Spectral relationship

Green hue

495–570 nm • closest visible-spectrum range

750 nm

380 nm

Visual temperature

Warm

A perceptual warm–cool classification. Kelvin does not apply to an arbitrary interface color.

Cool

Neutral

Warm

Luminance (brightness)

64.6%

Light • relative luminance

0%

50%

100%

An RGB color is produced by combined screen light, so this range is a visual comparison rather than an exact physical wavelength.

Gradient gallery

Generate premium CSS backgrounds and textures from your color.

Similar & Related Colors

Mathematically computed harmonies, shades, and similar tones for this color.

Nuclear Meltdown

#44EE00

Satin Lime

#33EE00

Furious Frog

#55EE00

Becquerel

#4BEC13

Electric Violet

#B401F2

Malachite

#01F23C

Lime

#B7F201

Blue Ribbon

#013FF2

Cherry Tomato

#F2013F

Blue

#3C01F2

Screamin' Green

#8FFF5F

Green

#00B400


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