DOP-5161: Banner color is wrong

[biancalaube]

Stories/Links:

DOP-5161

Current Behavior:

current behavior

Staging Links:

staging behavior

Notes:

• simple fix, there was just an extra }

README updates

• • This PR introduces changes that should be reflected in the README, and I have made those updates.
• • This PR does not introduce changes that should be reflected in the README

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