Hex #337d1a or rgb(51,125,26) in RGB space is the tint of grass green. It has hue angle of 104.85 degrees, value = 49 and saturation = 79. #337d1a can be obtained by mixing 4 colors: 2 drops of yellow, 1 drop of cyan, 3 drops of green, 4 drops of black.
Nearest safe hex - #336633. Below you can see the block with #337d1a color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #337d1a to the mixer and play with it.