#71717F
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
0.169
Hue H
240°
Saturation S
6%
Lightness L
47%
Value V
50%
Temperature
Neutral
Brightness
Dark
Chroma
Near gray
Hue family
Gray
Contrast on white: 4.80:1 (AA body Pass / AAA Fail)
Contrast on black: 4.37:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#71717f
Protanopia
#71717c
Deuteranopia
#71717b
Tritanopia
#717978
Achromatopsia
#737373
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.