#90909E
Approximate name: Light Slate 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
LightSlateGray
Relative luminance
0.283
Hue H
240°
Saturation S
7%
Lightness L
59%
Value V
62%
Temperature
Neutral
Brightness
Dark
Chroma
Near gray
Hue family
Gray
Contrast on white: 3.15:1 (AA body Fail / AAA Fail)
Contrast on black: 6.67:1 (AA body Pass / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#90909e
Protanopia
#90909b
Deuteranopia
#90909a
Tritanopia
#909897
Achromatopsia
#929292
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.