The hex color #64a73c is a light color. The web-safe version is Hex
#669933. A complementary color is
#9B58C3. The grayscale version is
#6D6D6D. A 20% lighter version of the original color is
#97DA6F, and Hex
#317409 is the 20% darker color. If the color is saturated by 10%, you get
#63AD37. If the color is desaturated by 10%, the color
#65A141 is obtained.