The hex color #e37e9e is a light color. The web-safe version is Hex
#CC6699. A complementary color is
#1C8161. The grayscale version is
#AAAAAA. A 20% lighter version of the original color is
#FFB1D1, and Hex
#B04B6B is the 20% darker color. If the color is saturated by 10%, you get
#E97A9D. If the color is desaturated by 10%, the color
#DD829F is obtained.