Provided is a Screenshot of what Blue concrete should be when viewed by another player and what actually appears. It seems to also affect other concrete blocks as well. At 1st I thought this was a bug on my end so I asked them and they also said they see the issue.
My perspective:
Their perspective:
[media]As shown both players have the same color however this also appears with other concrete colors as well.
Thank you for your report!
However, this issue is a Duplicate of MCPE-41619.
If you have additional information, please add it to that report.
Please search before reporting, as it's likely that one exists already.
Quick Links:
📓 Issue Guidelines – 💬 Community Support – 📧 Customer Support – 📖 Game Wiki