The hex color #73b99f is a light color. The web-safe version is Hex
#66CC99. A complementary color is
#8C4660. The grayscale version is
#999999. A 20% lighter version of the original color is
#A6ECD2, and Hex
#40866C is the 20% darker color. If the color is saturated by 10%, you get
#6FBCA0. If the color is desaturated by 10%, the color
#77B69E is obtained.