Hex #5b6f62 or rgb(91,111,98) in RGB space is the tint of bluish green. It has hue angle of 141.00 degrees, value = 44 and saturation = 18. #5b6f62 can be obtained by mixing 4 colors: 2 drops of yellow, 3 drops of magenta, 5 drops of blue, 4 drops of green.
Nearest safe hex - #666666. Below you can see the block with #5b6f62 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5b6f62 to the mixer and play with it.