#90BBBB
Approximate name: Dark Gray
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
DarkGray
Relative luminance
0.451
Hue H
180°
Saturation S
24%
Lightness L
65%
Value V
73%
Temperature
Cool
Brightness
Medium
Chroma
Muted
Hue family
Cyan
Contrast on white: 2.10:1 (AA body Fail / AAA Fail)
Contrast on black: 10.01:1 (AA body Pass / AAA Pass)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#90bbbb
Protanopia
#a3a3bb
Deuteranopia
#a09dbb
Tritanopia
#92bbbb
Achromatopsia
#aeaeae
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.