Hex #39b997 or rgb(57,185,151) in RGB space is the tint of greenish cian. It has hue angle of 164.06 degrees, value = 73 and saturation = 69. #39b997 can be obtained by mixing 4 colors: 2 drops of blue, 2 drops of cyan, 3 drops of green, 2 drops of white.
Nearest safe hex - #33cc99. Below you can see the block with #39b997 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #39b997 to the mixer and play with it.