Hex #79812d or rgb(121,129,45) in RGB space is the tint of yellow. It has hue angle of 65.71 degrees, value = 51 and saturation = 65. #79812d can be obtained by mixing 4 colors: 5 drops of yellow, 4 drops of red, 5 drops of blue, 5 drops of green.
Nearest safe hex - #669933. Below you can see the block with #79812d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #79812d to the mixer and play with it.