Hex #4d9a89 or rgb(77,154,137) in RGB space is the tint of greenish cian. It has hue angle of 166.75 degrees, value = 60 and saturation = 50. #4d9a89 can be obtained by mixing 3 colors: 3 drops of yellow, 5 drops of blue, 2 drops of cyan.
Nearest safe hex - #669999. Below you can see the block with #4d9a89 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #4d9a89 to the mixer and play with it.