Hex #4ea527 or rgb(78,165,39) in RGB space is the tint of grass green. It has hue angle of 101.43 degrees, value = 65 and saturation = 76. #4ea527 can be obtained by mixing 4 colors: 4 drops of yellow, 2 drops of cyan, 4 drops of green, 3 drops of black.
Nearest safe hex - #669933. Below you can see the block with #4ea527 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #4ea527 to the mixer and play with it.