#4C8A7B
Approximate name: 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
SlateGray
Relative luminance
0.211
Hue H
165°
Saturation S
29%
Lightness L
42%
Value V
54%
Temperature
Cool
Brightness
Dark
Chroma
Muted
Hue family
Cyan
Contrast on white: 4.02:1 (AA body Fail / AAA Fail)
Contrast on black: 5.23:1 (AA body Pass / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#4c8a7b
Protanopia
#67677f
Deuteranopia
#635f80
Tritanopia
#4f8182
Achromatopsia
#767676
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.