#155451

#155451

Color Values

HEX

#155451

RGB

21, 84, 81

HSL

177.1, 60.0%, 20.6%

HSV

177.1, 75.0%, 32.9%

CMYK

75.0%, 0.0%, 3.6%, 67.1%

OKLCH

0.4065 0.0618 190.4

Properties

Cool Dark Nearest: RAL 6026 Opal Green

Color Harmonies

Complementary

#155451

#541518

Analogous

#155431

#153854

#155451

Triadic

#155451

#511554

#545115

Split Complementary

#155451

#541538

#543115

Tetradic

#155451

#311554

#541518

#385415

Color Blindness Simulation

Original

#155451

Protanopia

#303152

Deuteranopia

#2D2852

Tritanopia

#185252

Achromatopsia

#464646

CSS Usage

background-color: #155451;
color: #155451;
border-color: #155451;
Nearest Tailwind: Teal 900 #134E4A

Tailwind Shades

50
#F3FBFB
100
#E4F6F5
200
#C6F1EF
300
#9DE7E3
400
#68D9D4
500
#33CCC5
600
#29A39D
700
#21837E
800
#1A6662
900
#164B48
950
#0E2F2E

Contrast Checker

Text on white

8.68:1

AA Pass AAA Pass

Text on black

2.42:1

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