The hex color #4bc9e2 is a light color. The web-safe version is Hex
#33CCCC. A complementary color is
#B4361D. The grayscale version is
#A7A7A7. A 20% lighter version of the original color is
#7EFCFF, and Hex
#1896AF is the 20% darker color. If the color is saturated by 10%, you get
#42CCE8. If the color is desaturated by 10%, the color
#54C6DC is obtained.