#4C8B7A
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
0.214
Hue H
164°
Saturation S
29%
Lightness L
42%
Value V
55%
Temperature
Cool
Brightness
Dark
Chroma
Muted
Hue family
Cyan
Contrast on white: 3.98:1 (AA body Fail / AAA Fail)
Contrast on black: 5.28:1 (AA body Pass / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#4c8b7a
Protanopia
#67687e
Deuteranopia
#645f7f
Tritanopia
#4f8182
Achromatopsia
#767676
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.