The hex color #f5513f is a dark color. The web-safe version is Hex
#FF6633. A complementary color is
#0AAEC0. The grayscale version is
#828282. A 20% lighter version of the original color is
#FF8472, and Hex
#C21E0C is the 20% darker color. If the color is saturated by 10%, you get
#FF4C38. If the color is desaturated by 10%, the color
#E95646 is obtained.