Hex #398d4c or rgb(57,141,76) in RGB space is the tint of bluish green. It has hue angle of 133.57 degrees, value = 55 and saturation = 60. #398d4c can be obtained by mixing 4 colors: 2 drops of red, 1 drop of blue, 2 drops of cyan, 4 drops of green.
Nearest safe hex - #339933. Below you can see the block with #398d4c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #398d4c to the mixer and play with it.