The hex color #7ceefc is a light color. The web-safe version is Hex
#66FFFF. A complementary color is
#831103. The grayscale version is
#CDCDCD. A 20% lighter version of the original color is
#AFFFFF, and Hex
#49BBC9 is the 20% darker color. If the color is saturated by 10%, you get
#74F1FF. If the color is desaturated by 10%, the color
#84EBF7 is obtained.