Hex #899d90 or rgb(137,157,144) in RGB space is the tint of bluish green. It has hue angle of 141.00 degrees, value = 62 and saturation = 13. #899d90 can be obtained by mixing 4 colors: 4 drops of yellow, 3 drops of magenta, 2 drops of blue, 4 drops of cyan.
Nearest safe hex - #999999. Below you can see the block with #899d90 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #899d90 to the mixer and play with it.