Question about setting opacity in DW Cs6, without using rgba

Hello,
I prefer not to use html5/css3 until there are no more windows xp accessing the internet. However, the html5/css3 functions are pretty nifty and I would like to find a ie8 friendly way of doing similar stuff. I would like to set the opacity of my background colors between my <div></div> and not use rgba, but rather hex, but NOT change the text color at all. I would prefer to do it in the css editor rather than hand coding if possible. Is there a way to do this?
I'm new to the new stuff. Last time I built a site was back in 2007 using Frontpage 2003:)
Thanks

Without using rgba, you would be stuck with the opacity atribute if wanted to just use css. The problem with the opacity attribute (and filter for IE) is they affect the entire html element they are applied to and its contents.
The only way to have a background with some opacity/transparency without using rgba for the background-color attribute is to use what Gramps points out. Create an image in Photoshop, add your color to a new layer, drop the opacity of the layer to the level you want. Remove any background layer (so you have just the checkerboard background with your partially transparent color over the top of it) then save it as a PNG-24.

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