Colour matching putty. (Color to my spangled friends.)

I have a whole lot of holes to fill on a project A whole bunch of 1.25" x 5.5", flat mounted wall rails in a bank. (Part of the wheel- chair facilities.) Using wood plugs was one option I considered. Another was to find a filler and add colour to match.
Having bouts of geekiness, I devised a plan.
I scanned in a sample of the wood I am trying to match. To make a paint, it came up with a series of shots of pigment, that, if put into a base colour (deep) would make a perfect match.... in paint. (This is all done on a Benjamin Moore piece of equipment.) I took down the numbers of each pigment.
I then scanned a swatch of dried, water based Elmers wood filler. I then also scanned a swatch of the deep base colour on its own. I deducted the difference in pigments and came up with the difference between the base and the filler.. I adjusted the scanner's output to compensate the pigment shots and made 1 qt can of coloured filler.
The wood I matched is pickled oak. The pickle ( a silver-grey/green/ paint wash) was the brain child of the collaboration between the architect and the Credit Union's CEO's son, who thinks he's a decorator.
Works like a charm.
r
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Clever, but wouldn't it have been much easier just to paint it all gray? (Grey to our friends across the pond.)
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