The hex color #73e78f is a light color. The web-safe version is Hex
#66FF99. A complementary color is
#8C1870. The grayscale version is
#A3A3A3. A 20% lighter version of the original color is
#A6FFC2, and Hex
#40B45C is the 20% darker color. If the color is saturated by 10%, you get
#6EEE8D. If the color is desaturated by 10%, the color
#78E091 is obtained.