Hex #499d37 or rgb(73,157,55) in RGB space is the tint of grass green. It has hue angle of 109.41 degrees, value = 62 and saturation = 65. #499d37 can be obtained by mixing 4 colors: 4 drops of yellow, 3 drops of cyan, 3 drops of green, 4 drops of black.
Nearest safe hex - #339933. Below you can see the block with #499d37 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #499d37 to the mixer and play with it.