#121913

#121913

Color Values

HEX

#121913

RGB

18, 25, 19

HSL

128.6, 16.3%, 8.4%

HSV

128.6, 28.0%, 9.8%

CMYK

28.0%, 0.0%, 24.0%, 90.2%

OKLCH

0.204 0.0158 149.0

Properties

Cool Dark Nearest: RAL 9011 Graphite Black

Color Harmonies

Complementary

#121913

#191218

Analogous

#141912

#121916

#121913

Triadic

#121913

#131219

#191312

Split Complementary

#121913

#161219

#191214

Tetradic

#121913

#121419

#191218

#191612

Color Blindness Simulation

Original

#121913

Protanopia

#151514

Deuteranopia

#151415

Tritanopia

#121616

Achromatopsia

#171717

CSS Usage

background-color: #121913;
color: #121913;
border-color: #121913;
Nearest Tailwind: Neutral 900 #171717

Tailwind Shades

50
#F6F8F7
100
#EBF0EB
200
#D5E1D7
300
#B8CCBB
400
#91B096
500
#6B9471
600
#55775A
700
#445F48
800
#354A38
900
#29382B
950
#1A231B

Contrast Checker

Text on white

17.88:1

AA Pass AAA Pass

Text on black

1.17:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026