Hex #4d8133 or rgb(77,129,51) in RGB space is the tint of grass green. It has hue angle of 100.00 degrees, value = 51 and saturation = 60. #4d8133 can be obtained by mixing 4 colors: 1 drop of yellow, 3 drops of green, 2 drops of white, 4 drops of black.
Nearest safe hex - #669933. Below you can see the block with #4d8133 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #4d8133 to the mixer and play with it.