The hex color #1ef2f7 is a light color. The web-safe version is Hex
#33FFFF. A complementary color is
#E10D08. The grayscale version is
#ADADAD. A 20% lighter version of the original color is
#51FFFF, and Hex
#00BFC4 is the 20% darker color. If the color is saturated by 10%, you get
#10F9FE. If the color is desaturated by 10%, the color
#2CEBF0 is obtained.