#817E7E
Approximate name: 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
Gray
Relative luminance
0.211
Hue H
0°
Saturation S
1%
Lightness L
50%
Value V
51%
Temperature
Neutral
Brightness
Dark
Chroma
Near gray
Hue family
Gray
Contrast on white: 4.02:1 (AA body Fail / AAA Fail)
Contrast on black: 5.22:1 (AA body Pass / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#817e7e
Protanopia
#80807e
Deuteranopia
#80807e
Tritanopia
#817e7e
Achromatopsia
#7f7f7f
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.