#042F06
Approximate name: Black
Technical formats
Color-space values for scientific work and cross-device comparison.
Practical formats
Ready to paste into CSS, Tailwind, iOS, Android, Flutter, and more.
Color analysis
Objective metrics: luminance, hue, saturation, temperature, and contrast.
Nearest name
Black
Relative luminance
0.021
Hue H
123°
Saturation S
84%
Lightness L
10%
Value V
18%
Temperature
Cool
Brightness
Dark
Chroma
Vivid
Hue family
Green
Contrast on white: 14.85:1 (AA body Pass / AAA Pass)
Contrast on black: 1.41:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#042f06
Protanopia
#171710
Deuteranopia
#141112
Tritanopia
#061819
Achromatopsia
#1d1d1d
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.