The hex color #1a878d is a dark color. The web-safe version is Hex
#339999. A complementary color is
#E57872. The grayscale version is
#656565. A 20% lighter version of the original color is
#4DBAC0, and Hex
#00545A is the 20% darker color. If the color is saturated by 10%, you get
#138A91. If the color is desaturated by 10%, the color
#218489 is obtained.