Hex #78a82d or rgb(120,168,45) in RGB space is the tint of olive. It has hue angle of 83.41 degrees, value = 66 and saturation = 73. #78a82d can be obtained by mixing 4 colors: 5 drops of yellow, 5 drops of green, 3 drops of white, 4 drops of black.
Nearest safe hex - #669933. Below you can see the block with #78a82d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #78a82d to the mixer and play with it.