The hex color #af4f3f is a dark color. The web-safe version is Hex
#996633. A complementary color is
#50B0C0. The grayscale version is
#6A6A6A. A 20% lighter version of the original color is
#E28272, and Hex
#7C1C0C is the 20% darker color. If the color is saturated by 10%, you get
#B64C3B. If the color is desaturated by 10%, the color
#A85243 is obtained.