The hex color #b7e66f is a light color. The web-safe version is Hex
#CCFF66. A complementary color is
#481990. The grayscale version is
#AFAFAF. A 20% lighter version of the original color is
#EAFFA2, and Hex
#84B33C is the 20% darker color. If the color is saturated by 10%, you get
#B8EC69. If the color is desaturated by 10%, the color
#B6E075 is obtained.