#123727

#123727

Color Values

HEX

#123727

RGB

18, 55, 39

HSL

154.1, 50.7%, 14.3%

HSV

154.1, 67.3%, 21.6%

CMYK

67.3%, 0.0%, 29.1%, 78.4%

OKLCH

0.3047 0.0517 162.3

Properties

Cool Dark Nearest: RAL 6005 Moss Green

Color Harmonies

Complementary

#123727

#371222

Analogous

#123715

#123437

#123727

Triadic

#123727

#271237

#372712

Split Complementary

#123727

#371234

#371512

Tetradic

#123727

#151237

#371222

#343712

Color Blindness Simulation

Original

#123727

Protanopia

#22222B

Deuteranopia

#201D2C

Tritanopia

#142E2F

Achromatopsia

#2E2E2E

CSS Usage

background-color: #123727;
color: #123727;
border-color: #123727;
Nearest Tailwind: Emerald 950 #022C22

Tailwind Shades

50
#F4FBF8
100
#E5F5EE
200
#C9EDDE
300
#A3E1C6
400
#71D0A7
500
#3FC088
600
#329A6D
700
#287B57
800
#1F6044
900
#1A4733
950
#112D21

Contrast Checker

Text on white

13.11:1

AA Pass AAA Pass

Text on black

1.6:1

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