The hex color #01e3d3 is a light color. The web-safe version is Hex
#00CCCC. A complementary color is
#FE1C2C. The grayscale version is
#929292. A 20% lighter version of the original color is
#34FFFF, and Hex
#00B0A0 is the 20% darker color. If the color is saturated by 10%, you get
#00EBD9. If the color is desaturated by 10%, the color
#10DBCD is obtained.