Hex #39adaa or rgb(57,173,170) in RGB space is the tint of cyan. It has hue angle of 178.45 degrees, value = 68 and saturation = 67. #39adaa can be obtained by mixing 4 colors: 3 drops of blue, 2 drops of cyan, 2 drops of green, 2 drops of white.
Nearest safe hex - #339999. Below you can see the block with #39adaa color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #39adaa to the mixer and play with it.