Hex #6d6f55 or rgb(109,111,85) in RGB space is the tint of yellow. It has hue angle of 64.62 degrees, value = 44 and saturation = 23. #6d6f55 can be obtained by mixing 4 colors: 1 drop of red, 2 drops of magenta, 1 drop of cyan, 3 drops of green.
Nearest safe hex - #666666. Below you can see the block with #6d6f55 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #6d6f55 to the mixer and play with it.