Hex #889a6c or rgb(136,154,108) in RGB space is the tint of olive. It has hue angle of 83.48 degrees, value = 60 and saturation = 30. #889a6c can be obtained by mixing 4 colors: 5 drops of yellow, 5 drops of blue, 3 drops of white, 2 drops of black.
Nearest safe hex - #999966. Below you can see the block with #889a6c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #889a6c to the mixer and play with it.