Hex #4b957d or rgb(75,149,125) in RGB space is the tint of greenish cian. It has hue angle of 160.54 degrees, value = 58 and saturation = 50. #4b957d can be obtained by mixing 4 colors: 5 drops of blue, 5 drops of green, 5 drops of white, 2 drops of black.
Nearest safe hex - #339966. Below you can see the block with #4b957d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #4b957d to the mixer and play with it.