The hex color #01eef8 is a light color. The web-safe version is Hex
#00FFFF. A complementary color is
#FE1107. The grayscale version is
#A2A2A2. A 20% lighter version of the original color is
#34FFFF, and Hex
#00BBC5 is the 20% darker color. If the color is saturated by 10%, you get
#00F6FF. If the color is desaturated by 10%, the color
#11E6EF is obtained.