The hex color #45988c is a dark color. The web-safe version is Hex
#339999. A complementary color is
#BA6773. The grayscale version is
#787878. A 20% lighter version of the original color is
#78CBBF, and Hex
#126559 is the 20% darker color. If the color is saturated by 10%, you get
#409B8E. If the color is desaturated by 10%, the color
#4A958A is obtained.