Hex #5bb398 or rgb(91,179,152) in RGB space is the tint of greenish cian. It has hue angle of 161.59 degrees, value = 70 and saturation = 49. #5bb398 can be obtained by mixing 4 colors: 4 drops of yellow, 5 drops of blue, 4 drops of cyan, 1 drop of white.
Nearest safe hex - #66cc99. Below you can see the block with #5bb398 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5bb398 to the mixer and play with it.