Hex #888f55 or rgb(136,143,85) in RGB space is the tint of yellow. It has hue angle of 67.24 degrees, value = 56 and saturation = 41. #888f55 can be obtained by mixing 4 colors: 5 drops of red, 2 drops of cyan, 5 drops of green, 3 drops of white.
Nearest safe hex - #999966. Below you can see the block with #888f55 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #888f55 to the mixer and play with it.