#155F5F

#155F5F

Color Values

HEX

#155F5F

RGB

21, 95, 95

HSL

180.0, 63.8%, 22.7%

HSV

180.0, 77.9%, 37.3%

CMYK

77.9%, 0.0%, 0.0%, 62.7%

OKLCH

0.4429 0.0687 195.0

Properties

Cool Dark Nearest: RAL 6026 Opal Green

Color Harmonies

Complementary

#155F5F

#5F1515

Analogous

#155F3A

#153A5F

#155F5F

Triadic

#155F5F

#5F155F

#5F5F15

Split Complementary

#155F5F

#5F153A

#5F3A15

Tetradic

#155F5F

#3A155F

#5F1515

#3A5F15

Color Blindness Simulation

Original

#155F5F

Protanopia

#35365F

Deuteranopia

#312B5F

Tritanopia

#195F5F

Achromatopsia

#4F4F4F

CSS Usage

background-color: #155F5F;
color: #155F5F;
border-color: #155F5F;
Nearest Tailwind: Teal 800 #115E59

Tailwind Shades

50
#F3FBFB
100
#E3F7F7
200
#C5F2F2
300
#9BE9E9
400
#64DDDD
500
#2ED1D1
600
#25A7A7
700
#1E8686
800
#176868
900
#154C4C
950
#0D3030

Contrast Checker

Text on white

7.41:1

AA Pass AAA Pass

Text on black

2.83:1

AA Fail AAA Fail

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