Hex #397f42 or rgb(57,127,66) in RGB space is the tint of bluish green. It has hue angle of 127.71 degrees, value = 50 and saturation = 55. #397f42 can be obtained by mixing 4 colors: 2 drops of magenta, 1 drop of cyan, 5 drops of green, 1 drop of black.
Nearest safe hex - #336633. Below you can see the block with #397f42 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #397f42 to the mixer and play with it.