Hex #559161 or rgb(85,145,97) in RGB space is the tint of bluish green. It has hue angle of 132.00 degrees, value = 57 and saturation = 41. #559161 can be obtained by mixing 4 colors: 5 drops of yellow, 4 drops of blue, 3 drops of cyan, 3 drops of black.
Nearest safe hex - #669966. Below you can see the block with #559161 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #559161 to the mixer and play with it.