Hex #498c31 or rgb(73,140,49) in RGB space is the tint of grass green. It has hue angle of 104.18 degrees, value = 55 and saturation = 65. #498c31 can be obtained by mixing 4 colors: 2 drops of yellow, 2 drops of blue, 2 drops of green, 1 drop of black.
Nearest safe hex - #339933. Below you can see the block with #498c31 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #498c31 to the mixer and play with it.