The hex color #0099cc is a dark color. The web-safe version is Hex
#0099CC. A complementary color is
#FF6633. The grayscale version is
#777777. A 20% lighter version of the original color is
#33CCFF, and Hex
#006699 is the 20% darker color. If the color is saturated by 10%, you get
#009CD5. If the color is desaturated by 10%, the color
#0C96C4 is obtained.