The hex color #4c99bd is a light color. The web-safe version is Hex
#3399CC. A complementary color is
#B36642. The grayscale version is
#8B8B8B. A 20% lighter version of the original color is
#7FCCF0, and Hex
#19668A is the 20% darker color. If the color is saturated by 10%, you get
#469AC2. If the color is desaturated by 10%, the color
#5298B8 is obtained.