Hex #4e8e3b or rgb(78,142,59) in RGB space is the tint of grass green. It has hue angle of 106.27 degrees, value = 56 and saturation = 58. #4e8e3b can be obtained by mixing 4 colors: 4 drops of yellow, 3 drops of cyan, 1 drop of green, 5 drops of black.
Nearest safe hex - #669933. Below you can see the block with #4e8e3b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #4e8e3b to the mixer and play with it.