Hex #6dac98 or rgb(109,172,152) in RGB space is the tint of greenish cian. It has hue angle of 160.95 degrees, value = 67 and saturation = 37. #6dac98 can be obtained by mixing 4 colors: 1 drop of yellow, 5 drops of blue, 3 drops of green, 5 drops of white.
Nearest safe hex - #669999. Below you can see the block with #6dac98 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #6dac98 to the mixer and play with it.