saw this over at
macosxhints its cool:
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Fri, May 9 '03 at 09:22AM ? from: trafalger
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Not sure if anyone else had ever noticed this, but last night when I was in the Colour Picker while working in Graphic Converter, I accidentally clicked on the little magnifying glass along the top, which then gave me an enlarged magnifying glass that allowed me to grab a colour from anywhere on my screen, regardless of what application the colour was in. And, as the Colour Picker is the same throughout most applications, I would assume that this would carry over as well.
My only wish is that Apple would build hex colour codes into the colour picker (like in Photoshop), to make it easier to work on web design.
and also from the comments section:
Authored by: jeb on Fri, May 9 '03 at 10:33AM
In /Applications/Utilities, you should have Digitalcolor Meter. This also shows a "magnifying glass" that lets you pick out a color on the screen and will report the results in these formats:
RGB as Percentage
RGBas Actual Value 8-bit or 16-bit
RBG as Hex 8-bit or 16-bit (ta-DAH!)
CIE 1931, CIE 1976, CIE L*a*B
Tristimulus
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I never knew about this feature or had ever opened that Digitalcolor Meter app....
