The hex color #2d9ca5 is a dark color. The web-safe version is Hex
#339999. A complementary color is
#D2635A. The grayscale version is
#7A7A7A. A 20% lighter version of the original color is
#60CFD8, and Hex
#006972 is the 20% darker color. If the color is saturated by 10%, you get
#259FA9. If the color is desaturated by 10%, the color
#3599A1 is obtained.