Hex #60b140 or rgb(96,177,64) in RGB space is the tint of grass green. It has hue angle of 103.01 degrees, value = 69 and saturation = 64. #60b140 can be obtained by mixing 3 colors: 1 drop of red, 5 drops of green, 2 drops of white.
Nearest safe hex - #669933. Below you can see the block with #60b140 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #60b140 to the mixer and play with it.