Hex #2b715a or rgb(43,113,90) in RGB space is the tint of greenish cian. It has hue angle of 160.29 degrees, value = 44 and saturation = 62. #2b715a can be obtained by mixing 4 colors: 5 drops of blue, 5 drops of green, 3 drops of white, 5 drops of black.
Nearest safe hex - #336666. Below you can see the block with #2b715a color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #2b715a to the mixer and play with it.