The hex color #64ba4c is a light color. The web-safe version is Hex
#66CC33. A complementary color is
#9B45B3. The grayscale version is
#797979. A 20% lighter version of the original color is
#97ED7F, and Hex
#318719 is the 20% darker color. If the color is saturated by 10%, you get
#62C148. If the color is desaturated by 10%, the color
#66B350 is obtained.