11. Color Pickers

“Yellow and blue make green.”

—Basic scientific fact

I remember my first color computer; it was a Macintosh IIcx and was purchased with the help of my Uncle David. Moving from a Macintosh Plus to a Macintosh IIcx was an incredible experience. Not only did I have a faster computer that was truly expandable (via NuBus slots—remember those), but also I could finally program in color!

So here I am, programming in color, making icons, color tables, simple games, and utilities. The first thing I learned to do programmatically was how to let the user choose the color she wanted for any particular need. The Macintosh OS has had a system color picker since Color QuickDraw, now called the color panel. With OS X, it is better than ever ...

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