The hex color #4ea9d0 is a light color. The web-safe version is Hex
#6699CC. A complementary color is
#B1562F. The grayscale version is
#989898. A 20% lighter version of the original color is
#81DCFF, and Hex
#1B769D is the 20% darker color. If the color is saturated by 10%, you get
#47ABD6. If the color is desaturated by 10%, the color
#55A7CA is obtained.