The hex color #c4425d is a dark color. The web-safe version is Hex
#CC3366. A complementary color is
#3BBDA2. The grayscale version is
#767676. A 20% lighter version of the original color is
#F77590, and Hex
#910F2A is the 20% darker color. If the color is saturated by 10%, you get
#CC3D5A. If the color is desaturated by 10%, the color
#BC4760 is obtained.