Not sure I understand your question, but Mexico is a very Classist society and it also suffers from self-racism. In every family there is a "guerito" and a "morenito". The "gueritos" or blondies, are the lighter members of the family and have somewhat more status. Not to say that "la mami" won't love the "morenito", but people suffer from that internal discrimination. (My inlaws, my mother in law, especially, always made it a point to put down her son in law who was darker.)
This internal racism also is related to the classism. Upper classes, of Spanish origin, make it a point to discriminate (albeit not overtly) against darker and poorer people, denominating them "nacos".
With the Mexican Revolution, at least official discourse was against this division, and history was interpreted as the encounter of the two races, giving way to a new, third race, the "mestizos". 12 October, the day Columbus discovered America is called "El dia de la Raza", the day of the Race, in Mexico. It is seen as a positive thing. Fortunately, I feel this did have some effect, and there is a kind of pride at being mestizo. Fortunately too, Indians in Mexico are slowly waking up to the fact that their heritage is very valuable. Upper classes, although they like to remain that way, also concede to the fact that Mexico's Indian heritage has much to offer to the world.
Hope this is along the lines of what you needed or expected