The hex color #e66b6e is a light color. The web-safe version is Hex
#FF6666. A complementary color is
#199491. The grayscale version is
#959595. A 20% lighter version of the original color is
#FF9EA1, and Hex
#B3383B is the 20% darker color. If the color is saturated by 10%, you get
#EE676A. If the color is desaturated by 10%, the color
#DE6F72 is obtained.