#51AFB4

#51AFB4

Color Values

HEX

#51AFB4

RGB

81, 175, 180

HSL

183.0, 39.8%, 51.2%

HSV

183.0, 55.0%, 70.6%

CMYK

55.0%, 2.8%, 0.0%, 29.4%

OKLCH

0.6995 0.0888 200.0

Properties

Cool Light Nearest: NCS S 0530-B40G Aqua

Color Harmonies

Complementary

#51AFB4

#B45651

Analogous

#51B488

#517EB4

#51AFB4

Triadic

#51AFB4

#B451AF

#AFB451

Split Complementary

#51AFB4

#B4517E

#B48851

Tetradic

#51AFB4

#8851B4

#B45651

#7EB451

Color Blindness Simulation

Original

#51AFB4

Protanopia

#7A7BB3

Deuteranopia

#746DB2

Tritanopia

#56B2B2

Achromatopsia

#9B9B9B

CSS Usage

background-color: #51AFB4;
color: #51AFB4;
border-color: #51AFB4;
Nearest Tailwind: Cyan 500 #06B6D4

Tailwind Shades

50
#F5FAFA
100
#E7F3F3
200
#CDE8EA
300
#A9D8DA
400
#7BC2C6
500
#4DADB2
600
#3D8B8F
700
#316F72
800
#265759
900
#1F4042
950
#14282A

Contrast Checker

Text on white

2.58:1

AA Fail AAA Fail

Text on black

8.14:1

AA Pass AAA Pass

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026