Hex #49b518 or rgb(73,181,24) in RGB space is the tint of grass green. It has hue angle of 101.27 degrees, value = 71 and saturation = 87. #49b518 can be obtained by mixing 3 colors: 2 drops of yellow, 1 drop of blue, 4 drops of green.
Nearest safe hex - #33cc00. Below you can see the block with #49b518 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #49b518 to the mixer and play with it.