I just bought some LEDs from Digikey/Mouser for a color mixing
project I'm thinking of playing around with (why paint when you
can light?), but I'm a little confused by the fact that the "matched"
LEDs I bought come in FOUR colors: RGB and orange.

This is new to me, and you-know-whoogle doesn't have anything
to offer.

I accidentally bought GBO in my first order, so I picked up some
red ones from Mouser (same manufacturer part number, but
Mouser doesn't have a minimum order)(I prefer Digikey due to
proximity).  I have all four- am I "supposed" to use them all?

Mike H.
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