Hex #338b6f or rgb(51,139,111) in RGB space is the tint of greenish cian. It has hue angle of 160.91 degrees, value = 55 and saturation = 63. #338b6f can be obtained by mixing 4 colors: 1 drop of yellow, 5 drops of blue, 3 drops of green, 1 drop of white.
Nearest safe hex - #339966. Below you can see the block with #338b6f color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #338b6f to the mixer and play with it.