The hex color #7efa6c is a light color. The web-safe version is Hex
#66FF66. A complementary color is
#810593. The grayscale version is
#A1A1A1. A 20% lighter version of the original color is
#B1FF9F, and Hex
#4BC739 is the 20% darker color. If the color is saturated by 10%, you get
#7AFF67. If the color is desaturated by 10%, the color
#82F171 is obtained.