Another good catch isurus79!

As you said, a VERY important point, as each species or cross will have it's own 'blush' - some will naturally have this coloring and the darker color could have nothing to do with flower color, but rather light exposure, fertilizer availability, or even foliage variation within the species. But, this does see, to hold true with phalaenopsis and perhaps phaps!
There is sooooo much to remember since we are dealing with the largest plant family in the world. (Will not speak of the entire universe, as I have not explored that as thoroughly yet, but I have enough to deal with here.......

)
Steve