The hex color #a63e02 is a dark color. The web-safe version is Hex
#993300. A complementary color is
#59C1FD. The grayscale version is
#4D4D4D. A 20% lighter version of the original color is
#D97135, and Hex
#730B00 is the 20% darker color. If the color is saturated by 10%, you get
#AF3D00. If the color is desaturated by 10%, the color
#9D3F09 is obtained.