The hex color #78e73c is a light color. The web-safe version is Hex
#66FF33. A complementary color is
#8718C3. The grayscale version is
#898989. A 20% lighter version of the original color is
#ABFF6F, and Hex
#45B409 is the 20% darker color. If the color is saturated by 10%, you get
#76F034. If the color is desaturated by 10%, the color
#7ADE44 is obtained.