Hex #889a88 or rgb(136,154,136) in RGB space is the tint of green. It has hue angle of 120.00 degrees, value = 60 and saturation = 12. #889a88 can be obtained by mixing 4 colors: 5 drops of red, 5 drops of cyan, 2 drops of green, 3 drops of white.
Nearest safe hex - #999999. Below you can see the block with #889a88 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #889a88 to the mixer and play with it.