#63fcb4

Aquamarine

Closest match (94% match)

Color formats

RGB

rgb(99, 252, 180)

Red, Green, Blue components

HSL

hsl(152, 96%, 69%)

Hue, Saturation, Lightness

CMYK

cmyk(61, 0, 29, 1)

Print color encoding

Luminance

0.756

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#63fcb4

#fc63ab

Analogous (Adjacent)

#63fc67

#63fcb4

#63f8fc

Triadic

#63fcb4

#b463fc

#fcb463

Split complementary

#63fcb4

#fc63f8

#fc6763

Complete conversion table

HEX

#63FCB4

RGB

rgb(99,252,180)

RGBA

rgba(99,252,180, 1)

HSL

hsl(151.76,96.23%,68.82%)

OKLCH (Modern CSS)

oklch(0.89 0.17 159.6)

CSS Variable

--color: #63fcb4;

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

1.30

AP

Small text (14pt)

The quick brown fox jumps over...

AA

AAA

Large text or UI (18pt Bold)

AA

AAA

On black background

16.11

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)

#63fcb4#dcdcb4

ORIG

SIM

Deuteranopia (green)

#63fcb4#807bb4

ORIG

SIM

Tritanopia (blue)

#63fcb4#6ba1b4

ORIG

SIM

Monochrome (color blind)

#63fcb4#d6e5dc

Mixing guide

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

MIXING PALETTE

39%

39%

23%

RYB PIGMENTS

Ultramarine blue

Pigment

39%

Titanium white

Pigment

39%

Cadmium yellow

Pigment

23%

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

Cool

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

Cool

Neutral

Warm

Luminance (brightness)

75.6%

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.

Mint Bliss

#7EFFBA

Illicit Green

#56FCA2

Hyperpop Green

#17F9A6

Minty Paradise

#00FFBB

Hot Pink

#FC63AB

Aquamarine

#63F8FC

Screamin' Green

#63FC67

Heliotrope

#B463FC

Koromiko

#FCB463

Pink Flamingo

#FC63F8

Anakiwa

#A7FFF1

Jade

#00BE7B


Top tools

WorkspaceLinksySEO AnalyzerChromoQR Code Generator

ReadyTools

CareersContactTools
Pricing7 days free
SupportSecurityGuidesDocsBlogUpdatesLaraVault

Select Language

Set theme

ReadyTools

© 2026 ReadyTools. All rights reserved.