What would be the best way to loop the array and find the best match to myColor?
A simple way would be do add up the difference to the red, green and blue values. You get the value for the channels like this: var red = color >> 16 & 0xff; var green = color >> 8 & 0xff; var blue = color & 0xff; Then you can do a Math.abs( red1 - red2 ) + Math.abs( green1 - green2 ) + Math.abs( blue1 - blue2 ) and you get the total difference between two colors. This isn't the most exact way to measure the distance between two colors as perceived by an average human being, but if you want to really know that perceived distance, then RGB isn't the right color space and it gets a bit more complicated: <http://en.wikipedia.org/wiki/Lab_color_space> HTH, Mark On 10/31/06, Aaron Buchanan <[EMAIL PROTECTED]> wrote:
Hello all! I am looking for a reference to read up on comparing two or more color values. I have not done a whole lot of work with color math so any foundation articles would be great. What I am trying to accomplish, say I have a var "myColor" which represents the color I would like to find the closest match for, I also have an array of other colors that are all shades of yellow: -- var myColor:Number = 0xffcc00 var similarColors:Array = [ 0xfce427, 0xdcb30a, 0xa48611]; -- What would be the best way to loop the array and find the best match to myColor? Thanks in Advance! -- Aaron Buchanan | Flash Developer, Lab-Media | T 909 702 1368 _______________________________________________ [email protected] To change your subscription options or search the archive: http://chattyfig.figleaf.com/mailman/listinfo/flashcoders Brought to you by Fig Leaf Software Premier Authorized Adobe Consulting and Training http://www.figleaf.com http://training.figleaf.com
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