Hex #4ead90 or rgb(78,173,144) in RGB space is the tint of greenish cian. It has hue angle of 161.68 degrees, value = 68 and saturation = 55. #4ead90 can be obtained by mixing 3 colors: 4 drops of yellow, 5 drops of blue, 4 drops of cyan.
Nearest safe hex - #669999. Below you can see the block with #4ead90 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #4ead90 to the mixer and play with it.