Describe the bug

A clear and concise description of what the bug is and what the expected behaviour was. If applicable, add screenshots to help explain your problem:

They're grabbing the wrong colour - caused by how we determine colour in the CPU legend drawing.

To reproduce

Steps on how to reproduce the behaviour:

1. Observe colour of a core
2. Hide the core
3. Observe colour of the next CPU core

Platform

If relevant, please provide information on:

Operating System:

Terminal:

Shell:

Any other relevant information (more details are always good!):

Additional context

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