I am working on whitening someone’s teeth while in rgb mode. I select the teeth and go to image>adjustments>hue saturation. why is there an option for yellows in the drop down window when I am working in RGB and not CMYK?
Many times the simplest way to whiten teeth is with a Hue/Sat layer mask. Just make a feathered selection around the teeth (make sure you go into the lip area slightly with the soft mask). Then create the Hue/SAt adjustment layer. Target the yellows and move the lightness slider to the right till you achive the effect you’re looking for.
Desaturating is okay in some cases, but you want to avoid creating teeth with a gray color cast.
just to clarify, what happens to the lip area that is partially selected? Since "yellows" are chosen from the drop down, does this mean that it will not alter the lip area unless they contain "yellow"?
Which they will (contain yellow, that is). But Paul isn’t really suggesting you "partially select" the lips. He means be sure to select ALL of the teeth, which often means going just ever so slightly beyond them into the lips (or often the gums when they’re showing). You do this by zooming in quite close. If you do it right, when you zoom back out to 100%, even you won’t notice your selection is "into" the lips or gums.
It depends on the nature of the discoloration of the teeth, really. Some teeth are stained without any yellow in them. Not a good time to get into this, though, I just had a big lunch.
Sometimes (I repeat, sometimes), the dodge tool produces a gray "filmy" look. Other times, an artificially white look. And other times (many times) it works great on teeth.
Make a selection. Apply curves. (via adjustment layer)
Curves are ideal for this purpose. You can adjust the brightness (composite curve) and the color (individual curves). And it is a non-destructive adjustment.
No, Ramón, Glide for after that big lunch! (It’s floss 🙂 )
<<It depends on the nature of the discoloration of the teeth, really. Some teeth are stained without any yellow in them. Not a good time to get into this, though, I just had a big lunch.>>
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