The hex color #cf136f is a dark color. The web-safe version is Hex
#CC0066. A complementary color is
#30EC90. The grayscale version is
#707070. A 20% lighter version of the original color is
#FF46A2, and Hex
#9C003C is the 20% darker color. If the color is saturated by 10%, you get
#D80A6F. If the color is desaturated by 10%, the color
#C61C6F is obtained.