Hello @DKahl ,
I also couldn't find anywhere to change that and evidently it's just a standard aspect of it. The Tier 2 agent I spoke with is going to write-up a feature request regarding this particular layout block, and may be reaching out in the next few days with some more info, or asking for more info. However, at this time there wouldn't be an ETA on the ability to change the "Article with Border" layout's fill color.
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