The hex color #77aafc is a light color. The web-safe version is Hex
#6699FF. A complementary color is
#885503. The grayscale version is
#B4B4B4. A 20% lighter version of the original color is
#AADDFF, and Hex
#4477C9 is the 20% darker color. If the color is saturated by 10%, you get
#71A9FF. If the color is desaturated by 10%, the color
#7DABF5 is obtained.