Hex #5da89b or rgb(93,168,155) in RGB space is the tint of greenish cian. It has hue angle of 169.60 degrees, value = 66 and saturation = 45. #5da89b can be obtained by mixing 3 colors: 4 drops of blue, 3 drops of green, 4 drops of white.
Nearest safe hex - #669999. Below you can see the block with #5da89b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5da89b to the mixer and play with it.