#51C1CE

#51C1CE

Color Values

HEX

#51C1CE

RGB

81, 193, 206

HSL

186.2, 56.1%, 56.3%

HSV

186.2, 60.7%, 80.8%

CMYK

60.7%, 6.3%, 0.0%, 19.2%

OKLCH

0.7519 0.1021 205.8

Properties

Cool Light Nearest: NCS S 0530-B40G Aqua

Color Harmonies

Complementary

#51C1CE

#CE5E51

Analogous

#51CE9C

#5183CE

#51C1CE

Triadic

#51C1CE

#CE51C1

#C1CE51

Split Complementary

#51C1CE

#CE5183

#CE9C51

Tetradic

#51C1CE

#9C51CE

#CE5E51

#83CE51

Color Blindness Simulation

Original

#51C1CE

Protanopia

#8282CB

Deuteranopia

#7B73CA

Tritanopia

#57C8C8

Achromatopsia

#AAAAAA

CSS Usage

background-color: #51C1CE;
color: #51C1CE;
border-color: #51C1CE;
Nearest Tailwind: Cyan 500 #06B6D4

Tailwind Shades

50
#F4FAFB
100
#E5F4F6
200
#C7EBEF
300
#9FDDE4
400
#6CCBD6
500
#38B8C7
600
#2D939F
700
#24767F
800
#1C5C64
900
#184449
950
#0F2B2E

Contrast Checker

Text on white

2.13:1

AA Fail AAA Fail

Text on black

9.87:1

AA Pass AAA Pass

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026