How to define the expression rule for site accent color? what should we consider for decisioning?
As per the system,
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Hi,
I suppose You're talking about the Branding settings in the Appian Administration Console. If so, then you won't be able to use a condition for these colour schemes.
Depending on your use case, it might be possible to use the a!richTextDisplayField() object where you can add a link and are able to use the complete colour scheme etc.
HTH,
Kai