Hex #878673 or rgb(135,134,115) in RGB space is the tint of yellow. It has hue angle of 57.00 degrees, value = 53 and saturation = 15. #878673 can be obtained by mixing 4 colors: 4 drops of red, 4 drops of blue, 4 drops of green, 5 drops of white.
Nearest safe hex - #999966. Below you can see the block with #878673 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #878673 to the mixer and play with it.