Hex #8b8b5d or rgb(139,139,93) in RGB space is the tint of yellow. It has hue angle of 60.00 degrees, value = 55 and saturation = 33. #8b8b5d can be obtained by mixing 4 colors: 4 drops of red, 2 drops of cyan, 3 drops of green, 2 drops of white.
Nearest safe hex - #999966. Below you can see the block with #8b8b5d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #8b8b5d to the mixer and play with it.