Hex #87b196 or rgb(135,177,150) in RGB space is the tint of bluish green. It has hue angle of 141.43 degrees, value = 69 and saturation = 24. #87b196 can be obtained by mixing 4 colors: 4 drops of red, 5 drops of cyan, 3 drops of green, 5 drops of white.
Nearest safe hex - #999999. Below you can see the block with #87b196 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #87b196 to the mixer and play with it.