This is the 2336th most frequent Catalan word.
institucionals
Institutional.
Here, 'institucionals' describes 'colors' as being representative of an institution, possibly signifying formality or authority.
Els colors utilitzats en l'emblema són institucions institucionals.
The colors used in the emblem are institutional colors.
In this sentence, 'institucionals' modifies 'normes' (rules), indicating that these rules pertain to or are established by an institution.
Les normes institucionals han canviat recentment per reflectir les noves polítiques.
The institutional rules have recently changed to reflect the new policies.
Here, 'institucionals' characterizes 'entitats' (entities), implying they are organizations or structures associated with institutions.