The hex color #b3f15e is a light color. The web-safe version is Hex
#CCFF66. A complementary color is
#4C0EA1. The grayscale version is
#ABABAB. A 20% lighter version of the original color is
#E6FF91, and Hex
#80BE2B is the 20% darker color. If the color is saturated by 10%, you get
#B4F856. If the color is desaturated by 10%, the color
#B2EA66 is obtained.