some unusual types of colour blindness are permissible in one jurisdiction but not in another.
post above will determine answer
If I was a betting man I'd guess you'll be fine. FAA/EASA are generally progressive and are pragmatic and sensible enough to deal with such matters and my guess is HKCAD would be of the same ilk. Taiwan is likely to resemble China more, so therefore intransigent, unpractical, no common sense and therefore more likely to find even the most irrelevant non-compliance unacceptable.
V