Today is Juneteenth, formally Juneteenth National Independence Day, a national holiday commemorating the ending of slavery in the USA. Here is the official Juneteenth flag:
It uses the same colors as the American flag because the descendants of slaves are Americans. (It has been suggested that these days that any Americans protesting a tyrannical government should wave as many American flags as possible to highlight that they are Americans protesting an unamerican government — unamerican as defined by our founding and 200+ year history.)
Here is a good post giving some background on the flag, and here is another good post pointing to more background on Juneteenth.
P.S. If you’re a science fiction fan and have never read Octavia E. Butler, I highly recommend checking out her work. She’s among the best I’ve ever read, and each book is a unique gem. [see Octavia E. Butler for details].
Stay antiracist, my friends! Go forth and spread beauty and light.
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Logos con carne 
And what do you think?