Hex #4ea89d or rgb(78,168,157) in RGB space is the tint of cyan. It has hue angle of 172.67 degrees, value = 66 and saturation = 54. #4ea89d can be obtained by mixing 4 colors: 1 drop of yellow, 5 drops of cyan, 3 drops of white, 4 drops of black.
Nearest safe hex - #669999. Below you can see the block with #4ea89d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #4ea89d to the mixer and play with it.