#51DADD

#51DADD

Color Values

HEX

#51DADD

RGB

81, 218, 221

HSL

181.3, 67.3%, 59.2%

HSV

181.3, 63.3%, 86.7%

CMYK

63.3%, 1.4%, 0.0%, 13.3%

OKLCH

0.8163 0.1167 197.2

Properties

Cool Light Nearest: mediumturquoise

Color Harmonies

Complementary

#51DADD

#DD5451

Analogous

#51DD9A

#5194DD

#51DADD

Triadic

#51DADD

#DD51DA

#DADD51

Split Complementary

#51DADD

#DD5194

#DD9A51

Tetradic

#51DADD

#9A51DD

#DD5451

#94DD51

Color Blindness Simulation

Original

#51DADD

Protanopia

#8C8EDC

Deuteranopia

#847ADC

Tritanopia

#58DCDC

Achromatopsia

#BDBDBD

CSS Usage

background-color: #51DADD;
color: #51DADD;
border-color: #51DADD;
Nearest Tailwind: Cyan 300 #67E8F9

Tailwind Shades

50
#F3FCFC
100
#E3F7F7
200
#C3F2F3
300
#99E9EB
400
#61DDE0
500
#2AD2D5
600
#21A8AB
700
#1B8689
800
#15696B
900
#134D4E
950
#0C3031

Contrast Checker

Text on white

1.69:1

AA Fail AAA Fail

Text on black

12.42:1

AA Pass AAA Pass

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026