#5bb8be

Fountain Blue

Closest match (98% match)

Color formats

RGB

rgb(91, 184, 190)

Red, Green, Blue components

HSL

hsl(184, 43%, 55%)

Hue, Saturation, Lightness

CMYK

cmyk(52, 3, 0, 25)

Print color encoding

Luminance

0.402

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#5bb8be

#be615b

Analogous (Adjacent)

#5bbe93

#5bb8be

#5b87be

Triadic

#5bb8be

#be5bb8

#b8be5b

Split complementary

#5bb8be

#be5b87

#be935b

Complete conversion table

HEX

#5BB8BE

RGB

rgb(91,184,190)

RGBA

rgba(91,184,190, 1)

HSL

hsl(183.64,43.23%,55.1%)

OKLCH (Modern CSS)

oklch(0.73 0.09 201.0)

CSS Variable

--color: #5bb8be;

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

2.32

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

9.04

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#5bb8be#bbbbbe

ORIG

SIM

Deuteranopia (green)

#5bb8be#7f79be

ORIG

SIM

Tritanopia (blue)

#5bb8be#607e8c

ORIG

SIM

Monochrome (color blind)

#5bb8be#aaaaaa

Mixing guide

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

MIXING PALETTE

61%

21%

19%

RYB PIGMENTS

Ultramarine blue

Pigment

61%

Titanium white

Pigment

21%

Cadmium yellow

Pigment

19%

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

Cyan hue

485–500 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)

40.2%

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.

Castaway

#6DBAC0

Thalassa

#53B1BA

Glassmith

#46B5C0

Finnish Fiord

#5DB0BE

Fuzzy Wuzzy Brown

#BE615B

Steel Blue

#5B87BE

Silver Tree

#5BBE93

Fuchsia Pink

#BE5BB8

Celery

#B8BE5B

Mulberry

#BE5B87

Anakiwa

#99F5FB

Surfie Green

#0E7E85