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f4f4f4 color palettes

#4A4A4A #9F9F9F #F4F4F4 #000000 #000000
#2F2F2F #5E5E5E #F4F4F4 #959595 #000000
#2C2C2C #5C5C5C #F4F4F4 #A4A4A4 #000000
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