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10. ⠀
⠀ 9.
⠀ 8.
⠀ 7.
⠀ 6.
10. ⠀ ⠀ 9. ⠀ 8. ⠀ 7. ⠀ 6.
Ok, that was an ugly workaround and I agree that Discourse should give users a native and more elegant way of doing it. Good bug find, by the way.
Discourse now has MathJax support which can render colors. Refer to these posts: