Hex #397b30 or rgb(57,123,48) in RGB space is the tint of green. It has hue angle of 112.80 degrees, value = 48 and saturation = 61. #397b30 can be obtained by mixing 4 colors: 4 drops of yellow, 5 drops of blue, 5 drops of green, 4 drops of black.
Nearest safe hex - #336633. Below you can see the block with #397b30 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #397b30 to the mixer and play with it.