Hex #87c09b or rgb(135,192,155) in RGB space is the tint of bluish green. It has hue angle of 141.05 degrees, value = 75 and saturation = 30. #87c09b can be obtained by mixing 4 colors: 5 drops of yellow, 5 drops of blue, 3 drops of cyan, 4 drops of white.
Nearest safe hex - #99cc99. Below you can see the block with #87c09b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #87c09b to the mixer and play with it.