The hex color #c33d11 is a dark color. The web-safe version is Hex
#CC3300. A complementary color is
#3CC2EE. The grayscale version is
#5B5B5B. A 20% lighter version of the original color is
#F67044, and Hex
#900A00 is the 20% darker color. If the color is saturated by 10%, you get
#CD3A0A. If the color is desaturated by 10%, the color
#B94018 is obtained.