Hex #aaa787 or rgb(170,167,135) in RGB space is the tint of yellow. It has hue angle of 54.86 degrees, value = 67 and saturation = 21. #aaa787 can be obtained by mixing 4 colors: 1 drop of red, 2 drops of magenta, 4 drops of green, 5 drops of white.
Nearest safe hex - #999999. Below you can see the block with #aaa787 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #aaa787 to the mixer and play with it.