Hex #789d2d or rgb(120,157,45) in RGB space is the tint of lime. It has hue angle of 79.82 degrees, value = 62 and saturation = 71. #789d2d can be obtained by mixing 4 colors: 5 drops of yellow, 4 drops of green, 3 drops of white, 5 drops of black.
Nearest safe hex - #669933. Below you can see the block with #789d2d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #789d2d to the mixer and play with it.