Hex #4b9a2d or rgb(75,154,45) in RGB space is the tint of grass green. It has hue angle of 103.49 degrees, value = 60 and saturation = 71. #4b9a2d can be obtained by mixing 4 colors: 5 drops of yellow, 3 drops of cyan, 4 drops of green, 5 drops of black.
Nearest safe hex - #339933. Below you can see the block with #4b9a2d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #4b9a2d to the mixer and play with it.