Hex #396f68 or rgb(57,111,104) in RGB space is the tint of greenish cian. It has hue angle of 172.22 degrees, value = 44 and saturation = 49. #396f68 can be obtained by mixing 4 colors: 2 drops of yellow, 4 drops of blue, 1 drop of cyan, 2 drops of black.
Nearest safe hex - #336666. Below you can see the block with #396f68 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #396f68 to the mixer and play with it.