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Isn't that a little like saying that a shiny red sports car is actually metallic gray, but it has a coating that alters our perception of it so that it appears red to our eyes?

Color is what we perceive, nothing else. If it looks blue, it is blue.

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Well, if you look the world through blue-tinted windows it doesn't make the world suddenly bluer though. I think the same kind-of applies here.

I think in this case the wax lining on the pines would be moreso a property of the object rather than the apparatus through which we see the object.

Is not the category of it Photosynthesis? Internally the environment of Blue spruce is the evolutionary standard of Green, not Blue. The blue perception would also reflect a Blue perception of photosynthesis standard.

It's more like saying that the steel your shiny red sports car is made of is actually metallic grey even though it has a veneer of red enamel on it.

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