The hex color #78f1a4 is a light color. The web-safe version is Hex
#66FF99. A complementary color is
#870E5B. The grayscale version is
#AFAFAF. A 20% lighter version of the original color is
#ABFFD7, and Hex
#45BE71 is the 20% darker color. If the color is saturated by 10%, you get
#73F8A3. If the color is desaturated by 10%, the color
#7EEAA5 is obtained.