#123736

#123736

Color Values

HEX

#123736

RGB

18, 55, 54

HSL

178.4, 50.7%, 14.3%

HSV

178.4, 67.3%, 21.6%

CMYK

67.3%, 0.0%, 1.8%, 78.4%

OKLCH

0.3101 0.0418 192.8

Properties

Cool Dark Nearest: RAL 6036 Pearl Opal Green

Color Harmonies

Complementary

#123736

#371213

Analogous

#123723

#122537

#123736

Triadic

#123736

#361237

#373612

Split Complementary

#123736

#371225

#372312

Tetradic

#123736

#231237

#371213

#253712

Color Blindness Simulation

Original

#123736

Protanopia

#222236

Deuteranopia

#201D36

Tritanopia

#143636

Achromatopsia

#2F2F2F

CSS Usage

background-color: #123736;
color: #123736;
border-color: #123736;
Nearest Tailwind: Teal 950 #042F2E

Tailwind Shades

50
#F4FBFA
100
#E5F5F4
200
#C9EDEC
300
#A3E1DF
400
#71D0CE
500
#3FC0BD
600
#329A97
700
#287B79
800
#1F605E
900
#1A4745
950
#112D2C

Contrast Checker

Text on white

12.92:1

AA Pass AAA Pass

Text on black

1.63:1

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