The hex color #fd512b is a light color. The web-safe version is Hex
#FF6633. A complementary color is
#02AED4. The grayscale version is
#7E7E7E. A 20% lighter version of the original color is
#FF845E, and Hex
#CA1E00 is the 20% darker color. If the color is saturated by 10%, you get
#FF4D23. If the color is desaturated by 10%, the color
#F05533 is obtained.