The hex color #e9513c is a dark color. The web-safe version is Hex
#FF6633. A complementary color is
#16AEC3. The grayscale version is
#7D7D7D. A 20% lighter version of the original color is
#FF846F, and Hex
#B61E09 is the 20% darker color. If the color is saturated by 10%, you get
#F44D36. If the color is desaturated by 10%, the color
#DE5542 is obtained.