The hex color #4ac7cd is a light color. The web-safe version is Hex
#33CCCC. A complementary color is
#B53832. The grayscale version is
#9F9F9F. A 20% lighter version of the original color is
#7DFAFF, and Hex
#17949A is the 20% darker color. If the color is saturated by 10%, you get
#41CBD2. If the color is desaturated by 10%, the color
#53C3C8 is obtained.