As in, there's nothing wrong

As in, even if your ancestors did something wrong, you don't carry their "sin" just because you share the same skin color

And especially if your ancestors never did that anyway, but were themselves enslaved and subjugated, persecuted, and mistreated in a similar way but HAPPENED to have the same skin complexion as the slave drivers

The entire "It's Okay to be White" slogan was a prank by 4chan, to see if a completely innocuous and harmless statement against racism would be accused of being white supremacist racism by the mainstream media. It worked because journalists are chumps.