For every shade of purple to slowly fade from existence. How sad it would be for Red and Blue to suffer the loss of their beautiful offspring. I wouldn't want to live in a world without Purples.
God that picture sure proves your argument. God is that gorgeous. But I am hoping when we die, we see even more colors that we have not yet imagined. What if more colors exist that we have never been introduced to? You cannot imagine what you have never seen.