#12423D

#12423D

Color Values

HEX

#12423D

RGB

18, 66, 61

HSL

173.7, 57.1%, 16.5%

HSV

173.7, 72.7%, 25.9%

CMYK

72.7%, 0.0%, 7.6%, 74.1%

OKLCH

0.3457 0.0514 185.3

Properties

Cool Dark Nearest: RAL 6036 Pearl Opal Green

Color Harmonies

Complementary

#12423D

#421217

Analogous

#124225

#122F42

#12423D

Triadic

#12423D

#3D1242

#423D12

Split Complementary

#12423D

#42122F

#422512

Tetradic

#12423D

#251242

#421217

#2F4212

Color Blindness Simulation

Original

#12423D

Protanopia

#27273E

Deuteranopia

#24203E

Tritanopia

#143F3F

Achromatopsia

#373737

CSS Usage

background-color: #12423D;
color: #12423D;
border-color: #12423D;
Nearest Tailwind: Teal 900 #134E4A

Tailwind Shades

50
#F4FBFA
100
#E4F6F4
200
#C7F0EB
300
#9FE5DD
400
#6BD7CB
500
#37C8B9
600
#2CA094
700
#238076
800
#1B645D
900
#184944
950
#0F2E2B

Contrast Checker

Text on white

11.22:1

AA Pass AAA Pass

Text on black

1.87:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026