Date: 01/25/06 (WebDesign)    Keywords: css, html, web

so i made a photoshop file with the RGB color used at #33cc33. i saved for web as a png-24 file.
i also made my site's background use #33cc33

why don't they match? should i use another file format? which one works best at matching html/css-based RGB colors?

Source: http://community.livejournal.com/webdesign/1050890.html