The hex color #b7f45c is a light color. The web-safe version is Hex
#CCFF66. A complementary color is
#480BA3. The grayscale version is
#ADADAD. A 20% lighter version of the original color is
#EAFF8F, and Hex
#84C129 is the 20% darker color. If the color is saturated by 10%, you get
#B8FB54. If the color is desaturated by 10%, the color
#B6ED64 is obtained.