The hex color #3ae9f5 is a light color. The web-safe version is Hex
#33FFFF. A complementary color is
#C5160A. The grayscale version is
#B3B3B3. A 20% lighter version of the original color is
#6DFFFF, and Hex
#07B6C2 is the 20% darker color. If the color is saturated by 10%, you get
#2EEEFC. If the color is desaturated by 10%, the color
#46E4EE is obtained.