The hex color #78f39f is a light color. The web-safe version is Hex
#66FF99. A complementary color is
#870C60. The grayscale version is
#AEAEAE. A 20% lighter version of the original color is
#ABFFD2, and Hex
#45C06C is the 20% darker color. If the color is saturated by 10%, you get
#73FA9E. If the color is desaturated by 10%, the color
#7DECA1 is obtained.