The hex color #de640c is a dark color. The web-safe version is Hex
#CC6600. A complementary color is
#219BF3. The grayscale version is
#6F6F6F. A 20% lighter version of the original color is
#FF973F, and Hex
#AB3100 is the 20% darker color. If the color is saturated by 10%, you get
#E96302. If the color is desaturated by 10%, the color
#D36516 is obtained.