The hex color #ea511c is a dark color. The web-safe version is Hex
#FF6633. A complementary color is
#15AEE3. The grayscale version is
#727272. A 20% lighter version of the original color is
#FF844F, and Hex
#B71E00 is the 20% darker color. If the color is saturated by 10%, you get
#F64E13. If the color is desaturated by 10%, the color
#DE5425 is obtained.