Hex #4ea648 or rgb(78,166,72) in RGB space is the tint of green. It has hue angle of 116.17 degrees, value = 65 and saturation = 57. #4ea648 can be obtained by mixing 4 colors: 3 drops of yellow, 4 drops of blue, 5 drops of green, 1 drop of white.
Nearest safe hex - #669933. Below you can see the block with #4ea648 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #4ea648 to the mixer and play with it.