The hex color #41f5e5 is a light color. The web-safe version is Hex
#33FFCC. A complementary color is
#BE0A1A. The grayscale version is
#B4B4B4. A 20% lighter version of the original color is
#74FFFF, and Hex
#0EC2B2 is the 20% darker color. If the color is saturated by 10%, you get
#36FCEA. If the color is desaturated by 10%, the color
#4CEEE0 is obtained.