Hex #4ea190 or rgb(78,161,144) in RGB space is the tint of greenish cian. It has hue angle of 167.71 degrees, value = 63 and saturation = 52. #4ea190 can be obtained by mixing 3 colors: 5 drops of blue, 4 drops of green, 4 drops of white.
Nearest safe hex - #669999. Below you can see the block with #4ea190 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #4ea190 to the mixer and play with it.