The hex color #78fe9c is a light color. The web-safe version is Hex
#66FF99. A complementary color is
#870163. The grayscale version is
#B1B1B1. A 20% lighter version of the original color is
#ABFFCF, and Hex
#45CB69 is the 20% darker color. If the color is saturated by 10%, you get
#72FF9A. If the color is desaturated by 10%, the color
#7EF69E is obtained.