The hex color #48909c is a dark color. The web-safe version is Hex
#339999. A complementary color is
#B76F63. The grayscale version is
#7C7C7C. A 20% lighter version of the original color is
#7BC3CF, and Hex
#155D69 is the 20% darker color. If the color is saturated by 10%, you get
#43929F. If the color is desaturated by 10%, the color
#4D8E99 is obtained.