Hex #4e8e42 or rgb(78,142,66) in RGB space is the tint of grass green. It has hue angle of 110.53 degrees, value = 56 and saturation = 54. #4e8e42 can be obtained by mixing 4 colors: 4 drops of yellow, 5 drops of blue, 3 drops of green, 1 drop of black.
Nearest safe hex - #669933. Below you can see the block with #4e8e42 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #4e8e42 to the mixer and play with it.