The hex color #77a7fc is a light color. The web-safe version is Hex
#6699FF. A complementary color is
#885803. The grayscale version is
#B3B3B3. A 20% lighter version of the original color is
#AADAFF, and Hex
#4474C9 is the 20% darker color. If the color is saturated by 10%, you get
#71A6FF. If the color is desaturated by 10%, the color
#7DA8F5 is obtained.