The hex color #78cd3c is a light color. The web-safe version is Hex
#66CC33. A complementary color is
#8732C3. The grayscale version is
#808080. A 20% lighter version of the original color is
#ABFF6F, and Hex
#459A09 is the 20% darker color. If the color is saturated by 10%, you get
#77D535. If the color is desaturated by 10%, the color
#79C543 is obtained.