The hex color #2df4fe is a light color. The web-safe version is Hex
#33FFFF. A complementary color is
#D20B01. The grayscale version is
#B5B5B5. A 20% lighter version of the original color is
#60FFFF, and Hex
#00C1CB is the 20% darker color. If the color is saturated by 10%, you get
#1FFAFF. If the color is desaturated by 10%, the color
#3BEEF7 is obtained.