The hex color #73b4a1 is a light color. The web-safe version is Hex
#66CC99. A complementary color is
#8C4B5E. The grayscale version is
#989898. A 20% lighter version of the original color is
#A6E7D4, and Hex
#40816E is the 20% darker color. If the color is saturated by 10%, you get
#6FB7A2. If the color is desaturated by 10%, the color
#77B1A0 is obtained.