Hex #5ba898 or rgb(91,168,152) in RGB space is the tint of greenish cian. It has hue angle of 167.53 degrees, value = 66 and saturation = 46. #5ba898 can be obtained by mixing 3 colors: 5 drops of blue, 4 drops of green, 5 drops of white.
Nearest safe hex - #669999. Below you can see the block with #5ba898 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5ba898 to the mixer and play with it.