Observe - same shader you started with, but I put darker colors in - I left the red that was in my original fire shader, and put magenta in place of the yellow.

I did three layers.

One is RGB 179, 26, 121.

One is RGB 147, 28, 135.

One is RGB 187, 4, 155.

None of these are close to maximum magenta, yet mine looks much more intense than yours. Why?

Because the scene is lit very little - only a tiny bit of magenta ambient. (I used the same env sphere I always use but I set the HSV value to .1, and changed the HSV color to 228 158 211.

The rest of the light is coming from the flames.

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Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)