Hex #66bac1 or rgb(102,186,193) in RGB space is the tint of cyan. It has hue angle of 184.62 degrees, value = 76 and saturation = 47. #66bac1 can be obtained by mixing 4 colors: 2 drops of yellow, 5 drops of blue, 4 drops of cyan, 4 drops of white.
Nearest safe hex - #66cccc. Below you can see the block with #66bac1 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #66bac1 to the mixer and play with it.