Hex #4dab91 or rgb(77,171,145) in RGB space is the tint of greenish cian. It has hue angle of 163.40 degrees, value = 67 and saturation = 55. #4dab91 can be obtained by mixing 3 colors: 3 drops of yellow, 4 drops of blue, 3 drops of cyan.
Nearest safe hex - #669999. Below you can see the block with #4dab91 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #4dab91 to the mixer and play with it.