The hex color #28ad1c is a dark color. The web-safe version is Hex
#339933. A complementary color is
#D752E3. The grayscale version is
#505050. A 20% lighter version of the original color is
#5BE04F, and Hex
#007A00 is the 20% darker color. If the color is saturated by 10%, you get
#24B617. If the color is desaturated by 10%, the color
#2CA421 is obtained.