The hex color #73fad5 is a light color. The web-safe version is Hex
#66FFCC. A complementary color is
#8C052A. The grayscale version is
#C1C1C1. A 20% lighter version of the original color is
#A6FFFF, and Hex
#40C7A2 is the 20% darker color. If the color is saturated by 10%, you get
#6BFFD7. If the color is desaturated by 10%, the color
#7BF4D3 is obtained.