Very cool.
However, comparing LUX numbers from different colors is not very fair. (Generally, green and white colors would have an advantage.) I would suggest sorting the list by color. It's not perfect, as two different blue colors can register VERY differently on the lux meter, but I think it would be better.
The reason for this is that LUX and lumens are weighted so that wavelengths that register as brighter get a higher weight. It's tempting to try to get rid of this weighting, but then ultraviolet, infra-read and other invisible wavelengths would count, which isn't great either.
There is no accepted standard way of answering questions like "is this green color brighter than this blue color". Measuring and comparing the LUX values isn't exactly wrong, but it can easily be misinterpreted by people who don't understand how LUX works.