I was going to title this post “colour calibration”, but on reflection realised that only those with something significantly more than a passing interest in photography and computing would have a clue as to what it is.
Do the photos in your online gallery exhibit a colour cast that you think is not quite right, or do the skin tones look a little un-natural? If so, this is more than likely a consequence of poor colour calibration of the screen the photographs are being viewed on.
Display devices, be they iPhones, iPads, laptops, PCs or even TVs, all have different characteristics, and display colours differently. This means it is impossible for a photographer to ensure that their images display as intended on all devices. Rest assured though, that through the correct use of white balance in camera and during post-processing, and through the use of professional colour-calibration solutions to tune my own monitors to correlate with the settings used by my print and album supplier, your images will look great when printed.