The hex color #1e999c is a dark color. The web-safe version is Hex
#339999. A complementary color is
#E16663. The grayscale version is
#717171. A 20% lighter version of the original color is
#51CCCF, and Hex
#006669 is the 20% darker color. If the color is saturated by 10%, you get
#169DA0. If the color is desaturated by 10%, the color
#269598 is obtained.