Hex #50b89a or rgb(80,184,154) in RGB space is the tint of greenish cian. It has hue angle of 162.69 degrees, value = 72 and saturation = 57. #50b89a can be obtained by mixing 4 colors: 4 drops of blue, 2 drops of cyan, 5 drops of green, 5 drops of white.
Nearest safe hex - #66cc99. Below you can see the block with #50b89a color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #50b89a to the mixer and play with it.