Hex #5bbe80 or rgb(91,190,128) in RGB space is the tint of bluish green. It has hue angle of 142.42 degrees, value = 75 and saturation = 52. #5bbe80 can be obtained by mixing 4 colors: 2 drops of cyan, 5 drops of green, 5 drops of white, 2 drops of black.
Nearest safe hex - #66cc99. Below you can see the block with #5bbe80 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5bbe80 to the mixer and play with it.