Hex #5bdcc2 or rgb(91,220,194) in RGB space is the tint of greenish cian. It has hue angle of 167.91 degrees, value = 86 and saturation = 59. #5bdcc2 can be obtained by mixing 4 colors: 1 drop of blue, 5 drops of cyan, 3 drops of green, 5 drops of white.
Nearest safe hex - #66cccc. Below you can see the block with #5bdcc2 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5bdcc2 to the mixer and play with it.