#63c3aa

Fountain Blue

Closest match (86% match)

Color formats

RGB

rgb(99, 195, 170)

Red, Green, Blue components

HSL

hsl(164, 44%, 58%)

Hue, Saturation, Lightness

CMYK

cmyk(49, 0, 13, 24)

Print color encoding

Luminance

0.446

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#63c3aa

#c3637c

Analogous (Adjacent)

#63c37a

#63c3aa

#63acc3

Triadic

#63c3aa

#aa63c3

#c3aa63

Split complementary

#63c3aa

#c363ac

#c37a63

Complete conversion table

HEX

#63C3AA

RGB

rgb(99,195,170)

RGBA

rgba(99,195,170, 1)

HSL

hsl(164.38,44.44%,57.65%)

OKLCH (Modern CSS)

oklch(0.75 0.10 174.4)

CSS Variable

--color: #63c3aa;

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%

WED

2,450

Contrast

Contrast and readability (WCAG)

On white background

2.12

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

9.92

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#63c3aa#b8b8aa

ORIG

SIM

Deuteranopia (green)

#63c3aa#7c78aa

ORIG

SIM

Tritanopia (blue)

#63c3aa#688696

ORIG

SIM

Monochrome (color blind)

#63c3aa#b2b2b2

Mixing guide

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

MIXING PALETTE

49%

29%

22%

RYB PIGMENTS

Ultramarine blue

Pigment

49%

Titanium white

Pigment

29%

Cadmium yellow

Pigment

22%

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)

44.6%

Dark • relative luminance

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.

Spearmint

#64BFA4

Mermaid’s Kiss

#59C8A5

Cockatoo

#58C8B6

Beveled Glass

#7ACCB8

Contessa

#C3637C

Fountain Blue

#63ACC3

Fern

#63C37A

Amethyst

#AA63C3

Laser

#C3AA63

Fuchsia Pink

#C363AC

Aquamarine

#A0FFE6

Elm

#218972