Hex #5b7561 or rgb(91,117,97) in RGB space is the tint of bluish green. It has hue angle of 133.85 degrees, value = 46 and saturation = 22. #5b7561 can be obtained by mixing 4 colors: 5 drops of red, 2 drops of blue, 4 drops of cyan, 3 drops of green.
Nearest safe hex - #666666. Below you can see the block with #5b7561 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5b7561 to the mixer and play with it.