The hex color #01899c is a dark color. The web-safe version is Hex
#009999. A complementary color is
#FE7663. The grayscale version is
#626262. A 20% lighter version of the original color is
#34BCCF, and Hex
#005669 is the 20% darker color. If the color is saturated by 10%, you get
#008DA2. If the color is desaturated by 10%, the color
#0B8596 is obtained.