Hex #797863 or rgb(121,120,99) in RGB space is the tint of yellow. It has hue angle of 57.27 degrees, value = 47 and saturation = 18. #797863 can be obtained by mixing 4 colors: 5 drops of red, 5 drops of blue, 5 drops of green, 4 drops of white.
Nearest safe hex - #666666. Below you can see the block with #797863 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #797863 to the mixer and play with it.