From Amazon: https://twitter.com/awscloud/status/836656664635846656 The dashboard not changing color is related to S3 issue. See the banner at the top of the dashboard for updates. So it's not just a joke... S3 being down actually breaks its own status page!
For this kind of page it might be best for them to use a data URI image to remove as many external resources as possible.
Warning sign, octagonal sign, no Entry (all filtered by HN).
There are plenty of possibilities.