Hex #78a53c or rgb(120,165,60) in RGB space is the tint of olive. It has hue angle of 85.71 degrees, value = 65 and saturation = 64. #78a53c can be obtained by mixing 4 colors: 4 drops of yellow, 4 drops of red, 4 drops of cyan, 5 drops of green.
Nearest safe hex - #669933. Below you can see the block with #78a53c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #78a53c to the mixer and play with it.