The hex color #1d8c9c is a dark color. The web-safe version is Hex
#339999. A complementary color is
#E27363. The grayscale version is
#6C6C6C. A 20% lighter version of the original color is
#50BFCF, and Hex
#005969 is the 20% darker color. If the color is saturated by 10%, you get
#158FA1. If the color is desaturated by 10%, the color
#258997 is obtained.