50 bmg dim tracer, colors - General Ammunition Discussion

I have a pair of LC94, one pink and one green paint on the bullet, labeled as dim tracers, M17. I also have an LC08, purple/white labeled MK257 Are these correct? Are there any other variants?

50 bmg dim tracer, colors - General Ammunition Discussion - International Ammunition Association Web Forum

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Armada Feb Mar 2014 by Armada International & Asian Military

What's the scoop on Tracer rounds?