Hex #60888b or rgb(96,136,139) in RGB space is the tint of cyan. It has hue angle of 184.19 degrees, value = 55 and saturation = 31. #60888b can be obtained by mixing 3 colors: 2 drops of yellow, 5 drops of blue, 1 drop of white.
Nearest safe hex - #669999. Below you can see the block with #60888b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #60888b to the mixer and play with it.