Hex #747755 or rgb(116,119,85) in RGB space is the tint of yellow. It has hue angle of 65.29 degrees, value = 47 and saturation = 29. #747755 can be obtained by mixing 4 colors: 2 drops of yellow, 1 drop of blue, 3 drops of white, 5 drops of black.
Nearest safe hex - #666666. Below you can see the block with #747755 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #747755 to the mixer and play with it.