Hex #4e9b3b or rgb(78,155,59) in RGB space is the tint of grass green. It has hue angle of 108.13 degrees, value = 61 and saturation = 62. #4e9b3b can be obtained by mixing 4 colors: 4 drops of yellow, 3 drops of cyan, 2 drops of green, 4 drops of black.
Nearest safe hex - #669933. Below you can see the block with #4e9b3b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #4e9b3b to the mixer and play with it.