Hex #497f31 or rgb(73,127,49) in RGB space is the tint of grass green. It has hue angle of 101.54 degrees, value = 50 and saturation = 61. #497f31 can be obtained by mixing 4 colors: 4 drops of yellow, 4 drops of blue, 3 drops of green, 3 drops of black.
Nearest safe hex - #336633. Below you can see the block with #497f31 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #497f31 to the mixer and play with it.