Hex #17938b or rgb(23,147,139) in RGB space is the tint of cyan. It has hue angle of 176.13 degrees, value = 58 and saturation = 84. #17938b can be obtained by mixing 4 colors: 5 drops of cyan, 1 drop of green, 1 drop of white, 4 drops of black.
Nearest safe hex - #009999. Below you can see the block with #17938b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #17938b to the mixer and play with it.