Lightgray rgb(204,204,204) / #CCCCCC

Lightgray
#CCCCCC
rgb(204,204,204)
hsl(0,0%,80%)
cmyk(0,0,0,20)
hwb(0,80%,20)
hsv(0,0%,80)

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.