So, the above post I made is *not* correct. The Gamma setting does NOT change the renderer... I misunderstood the response from my ticket.

I think what's happening, now, is that animating a color property causes the scene-wide Gamma setting to apply to that color, **in the Preview render only** not in the Firefly / Superfly render.

The cockamamie solution I came up with is to add series of nodes to apply an inverse gamma ( For instamce, 0.4545 for the default 2.2 document gamma) to an animated color, then multiply that with texture node output. The gamma value in the gamma node is animated, so that the gamma can be set to 1.0 before rendering the scene... So basically, the preview renderer now displays the correct colors with aniamted color properties, and the "corrective gamma" is set to "unity" before rendering the scene (since the actual Firefly / Superfly renderer never had the problem with animated colors, no correction is needed, so that "corrective" inverse gamma actually causes it's own problem if not set to unity).