Hex #438570 or rgb(67,133,112) in RGB space is the tint of greenish cian. It has hue angle of 160.91 degrees, value = 52 and saturation = 50. #438570 can be obtained by mixing 4 colors: 5 drops of blue, 5 drops of green, 5 drops of white, 4 drops of black.
Nearest safe hex - #339966. Below you can see the block with #438570 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #438570 to the mixer and play with it.