CSS color shorthand (see http://webdesign.about.com/od/color/qt/tipcolorshrthnd.htm) defines the rules that make three hex digit color codes into real colors. For example, #fff is white, #00f is blue, and #0f0 is green. CSS compressors, such as the YUI compressor, take advantage of this definition. Thus, when you use CSS compression against some CSS used in a Flash movie, the colors are incorrect.
Craig, can you provide a file / url with this problem?
See http://molecularvoices.molecular.com/2008/css-color-shorthand-not-support-in-adobe-flash/ From my comment there: I’m gonna close that one as NOTABUG, since we try to be bug-for-bug compatible with Adobe’s Flash Player. And if Adobe says #FFF is blue, then it is blue. If you want standards compliance, don’t use Flash…
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