The hex color #1a8f6e is a dark color. The web-safe version is Hex
#339966. A complementary color is
#E57091. The grayscale version is
#5D5D5D. A 20% lighter version of the original color is
#4DC2A1, and Hex
#005C3B is the 20% darker color. If the color is saturated by 10%, you get
#139470. If the color is desaturated by 10%, the color
#218A6C is obtained.