The hex color #b9d34e is a light color. The web-safe version is Hex
#CCCC66. A complementary color is
#462CB1. The grayscale version is
#9E9E9E. A 20% lighter version of the original color is
#ECFF81, and Hex
#86A01B is the 20% darker color. If the color is saturated by 10%, you get
#BCD846. If the color is desaturated by 10%, the color
#B6CE56 is obtained.