Hex #899527 or rgb(137,149,39) in RGB space is the tint of yellow. It has hue angle of 66.55 degrees, value = 58 and saturation = 74. #899527 can be obtained by mixing 4 colors: 5 drops of yellow, 2 drops of red, 3 drops of blue, 3 drops of green.
Nearest safe hex - #999933. Below you can see the block with #899527 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #899527 to the mixer and play with it.