Hex #4e979d or rgb(78,151,157) in RGB space is the tint of cyan. It has hue angle of 184.56 degrees, value = 62 and saturation = 50. #4e979d can be obtained by mixing 3 colors: 4 drops of cyan, 4 drops of white, 5 drops of black.
Nearest safe hex - #669999. Below you can see the block with #4e979d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #4e979d to the mixer and play with it.