Hex #5bccaa or rgb(91,204,170) in RGB space is the tint of greenish cian. It has hue angle of 161.95 degrees, value = 80 and saturation = 55. #5bccaa can be obtained by mixing 4 colors: 2 drops of blue, 3 drops of cyan, 4 drops of green, 5 drops of white.
Nearest safe hex - #66cc99. Below you can see the block with #5bccaa color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5bccaa to the mixer and play with it.