Hex #4dc02b or rgb(77,192,43) in RGB space is the tint of grass green. It has hue angle of 106.31 degrees, value = 75 and saturation = 78. #4dc02b can be obtained by mixing 4 colors: 3 drops of yellow, 1 drop of blue, 1 drop of cyan, 5 drops of green.
Nearest safe hex - #66cc33. Below you can see the block with #4dc02b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #4dc02b to the mixer and play with it.