The hex color #018a99 is a dark color. The web-safe version is Hex
#009999. A complementary color is
#FE7566. The grayscale version is
#616161. A 20% lighter version of the original color is
#34BDCC, and Hex
#005766 is the 20% darker color. If the color is saturated by 10%, you get
#008E9F. If the color is desaturated by 10%, the color
#0B8693 is obtained.