The hex color #20da99 is a light color. The web-safe version is Hex
#33CC99. A complementary color is
#DF2566. The grayscale version is
#868686. A 20% lighter version of the original color is
#53FFCC, and Hex
#00A766 is the 20% darker color. If the color is saturated by 10%, you get
#16E29B. If the color is desaturated by 10%, the color
#2AD297 is obtained.