The hex color #b7f30c is a light color. The web-safe version is Hex
#CCFF00. A complementary color is
#480CF3. The grayscale version is
#929292. A 20% lighter version of the original color is
#EAFF3F, and Hex
#84C000 is the 20% darker color. If the color is saturated by 10%, you get
#BBFD00. If the color is desaturated by 10%, the color
#B3E919 is obtained.