The hex color #78d88f is a light color. The web-safe version is Hex
#66CC99. A complementary color is
#872770. The grayscale version is
#A0A0A0. A 20% lighter version of the original color is
#ABFFC2, and Hex
#45A55C is the 20% darker color. If the color is saturated by 10%, you get
#74DE8D. If the color is desaturated by 10%, the color
#7CD291 is obtained.