The hex color #209f70 is a dark color. The web-safe version is Hex
#339966. A complementary color is
#DF608F. The grayscale version is
#656565. A 20% lighter version of the original color is
#53D2A3, and Hex
#006C3D is the 20% darker color. If the color is saturated by 10%, you get
#19A571. If the color is desaturated by 10%, the color
#27996F is obtained.