The hex color #c75d5d is a dark color. The web-safe version is Hex
#CC6666. A complementary color is
#38A2A2. The grayscale version is
#808080. A 20% lighter version of the original color is
#FA9090, and Hex
#942A2A is the 20% darker color. If the color is saturated by 10%, you get
#CE5959. If the color is desaturated by 10%, the color
#C06161 is obtained.