Hex #4d9f91 or rgb(77,159,145) in RGB space is the tint of greenish cian. It has hue angle of 169.76 degrees, value = 62 and saturation = 52. #4d9f91 can be obtained by mixing 3 colors: 4 drops of blue, 3 drops of green, 3 drops of white.
Nearest safe hex - #669999. Below you can see the block with #4d9f91 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #4d9f91 to the mixer and play with it.