The hex color #78cd5c is a light color. The web-safe version is Hex
#66CC66. A complementary color is
#8732A3. The grayscale version is
#8B8B8B. A 20% lighter version of the original color is
#ABFF8F, and Hex
#459A29 is the 20% darker color. If the color is saturated by 10%, you get
#76D457. If the color is desaturated by 10%, the color
#7AC661 is obtained.