Hex #69a091 or rgb(105,160,145) in RGB space is the tint of greenish cian. It has hue angle of 163.64 degrees, value = 63 and saturation = 34. #69a091 can be obtained by mixing 4 colors: 5 drops of yellow, 2 drops of magenta, 5 drops of blue, 5 drops of cyan.
Nearest safe hex - #669999. Below you can see the block with #69a091 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #69a091 to the mixer and play with it.