Hi @Longoria956,
A warm welcome here in the Roku Community!
We understand you're having a problem with your Roku smart home light strip since the blue color will not appear on it. We're happy to help you. Please ensure that your Roku smart home app and Roku smart home light strip are up to date. If the problem still persists, please try to sign out on the Roku smart home app and sign back in.
Let us know how it works and we will continue to assist you further.
All the best,
John
John
Roku Community Moderator