Light Theme: Simulator toggle button color issue?

[eanders-ms]

When toggled on, the maroon button color seems off-theme:

Perhaps just make it darker? Something along the lines of the "..." button here:

[thsparks]

@eanders-ms how strongly do you feel about this one? I personally like that it stays red, similar to how I like that the debug stays orange. But I can change it if you/others think it's too much (or I could use a different shade of red).

[thsparks]

Matches microbit current released behavior:

[eanders-ms]

The two aren't equivalent. Using gray/red to indicate on/off clearly communicates on/off state because there's a stark contrast between them. Using two saturated colors with similar intensity leads to confusion about which color indicates "on", increasing cognitive load.

In addition, the contrast ratio here is likely an accessibility concern. These colors are very similar in intensity. This issue is more obvious when the images are desaturated: