The hex color #78cd9c is a light color. The web-safe version is Hex
#66CC99. A complementary color is
#873263. The grayscale version is
#A0A0A0. A 20% lighter version of the original color is
#ABFFCF, and Hex
#459A69 is the 20% darker color. If the color is saturated by 10%, you get
#74D19C. If the color is desaturated by 10%, the color
#7CC99C is obtained.