The hex color #1e9ca0 is a dark color. The web-safe version is Hex
#339999. A complementary color is
#E1635F. The grayscale version is
#737373. A 20% lighter version of the original color is
#51CFD3, and Hex
#00696D is the 20% darker color. If the color is saturated by 10%, you get
#15A0A4. If the color is desaturated by 10%, the color
#27989C is obtained.