The hex color #e66e8f is a light color. The web-safe version is Hex
#FF6699. A complementary color is
#199170. The grayscale version is
#A1A1A1. A 20% lighter version of the original color is
#FFA1C2, and Hex
#B33B5C is the 20% darker color. If the color is saturated by 10%, you get
#ED698D. If the color is desaturated by 10%, the color
#DF7391 is obtained.