Hex #66c09f or rgb(102,192,159) in RGB space is the tint of greenish cian. It has hue angle of 158.00 degrees, value = 75 and saturation = 47. #66c09f can be obtained by mixing 4 colors: 2 drops of magenta, 4 drops of cyan, 5 drops of green, 4 drops of white.
Nearest safe hex - #66cc99. Below you can see the block with #66c09f color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #66c09f to the mixer and play with it.