Hex #6d6c55 or rgb(109,108,85) in RGB space is the tint of yellow. It has hue angle of 57.50 degrees, value = 43 and saturation = 22. #6d6c55 can be obtained by mixing 4 colors: 2 drops of red, 2 drops of blue, 2 drops of green, 1 drop of white.
Nearest safe hex - #666666. Below you can see the block with #6d6c55 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #6d6c55 to the mixer and play with it.