The hex color #b5d15e is a light color. The web-safe version is Hex
#CCCC66. A complementary color is
#4A2EA1. The grayscale version is
#A1A1A1. A 20% lighter version of the original color is
#E8FF91, and Hex
#829E2B is the 20% darker color. If the color is saturated by 10%, you get
#B7D657. If the color is desaturated by 10%, the color
#B3CC65 is obtained.