Hex #89cec4 or rgb(137,206,196) in RGB space is the tint of greenish cian. It has hue angle of 171.30 degrees, value = 81 and saturation = 33. #89cec4 can be obtained by mixing 4 colors: 2 drops of yellow, 3 drops of blue, 3 drops of cyan, 5 drops of white.
Nearest safe hex - #99cccc. Below you can see the block with #89cec4 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #89cec4 to the mixer and play with it.