Hex #777661 or rgb(119,118,97) in RGB space is the tint of yellow. It has hue angle of 57.27 degrees, value = 47 and saturation = 18. #777661 can be obtained by mixing 4 colors: 4 drops of red, 4 drops of blue, 4 drops of green, 3 drops of white.
Nearest safe hex - #666666. Below you can see the block with #777661 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #777661 to the mixer and play with it.