The hex color #20dba3 is a light color. The web-safe version is Hex
#33CC99. A complementary color is
#DF245C. The grayscale version is
#8A8A8A. A 20% lighter version of the original color is
#53FFD6, and Hex
#00A870 is the 20% darker color. If the color is saturated by 10%, you get
#15E3A6. If the color is desaturated by 10%, the color
#2BD3A1 is obtained.