Hex #6d9b98 or rgb(109,155,152) in RGB space is the tint of cyan. It has hue angle of 176.09 degrees, value = 61 and saturation = 30. #6d9b98 can be obtained by mixing 4 colors: 1 drop of red, 5 drops of blue, 3 drops of green, 5 drops of white.
Nearest safe hex - #669999. Below you can see the block with #6d9b98 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #6d9b98 to the mixer and play with it.