Black rgb(33,33,33) / #212121

Black
#212121
rgb(33,33,33)
hsl(0,0%,13%)
cmyk(0,0,0,87)
hwb(0,13%,87)
hsv(0,0%,13)

Color in Software Development

Material Palettes :: Material Design color palettes 2014 :: Material Gray :: Gray 900Material Palettes :: Material Design color palettes 2014 :: Material Gray :: Gray 900
More colors by link: /dev/material-palette

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.

Color Shades in RGB model range

+/- 30 points shift for R(Red) color axis.+/- 30 points shift for G(Green) color axis.+/- 30 points shift for B(Blue) color axis.