Hex #2b6f64 or rgb(43,111,100) in RGB space is the tint of greenish cian. It has hue angle of 170.29 degrees, value = 44 and saturation = 61. #2b6f64 can be obtained by mixing 4 colors: 4 drops of blue, 3 drops of green, 2 drops of white, 3 drops of black.
Nearest safe hex - #336666. Below you can see the block with #2b6f64 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #2b6f64 to the mixer and play with it.