Silver rgb(191,191,191) / #BFBFBF

Silver
#BFBFBF
rgb(191,191,191)
hsl(0,0%,75%)
cmyk(0,0,0,25)
hwb(0,75%,25)
hsv(0,0%,75)

Color Shades in HSL model

S(Saturation) = 0% in this case we cannot get H(Hue) range. Cause it should be the same color, due to HSL color system.
+/- 10% shift for S(Saturation) color axis in HSL color model+/- 10% shift for L(lightness) color axis in HSL color model.