#ACAAAA
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
0.404
Hue H
0°
Saturation S
1%
Lightness L
67%
Value V
67%
Temperature
Neutral
Brightness
Medium
Chroma
Near gray
Hue family
Gray
Contrast on white: 2.31:1 (AA body Fail / AAA Fail)
Contrast on black: 9.08:1 (AA body Pass / AAA Pass)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#acaaaa
Protanopia
#ababaa
Deuteranopia
#ababaa
Tritanopia
#acaaaa
Achromatopsia
#ababab
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.