Check with DHH (Directorate of History and Heritage). They may still have "Sealed Patterns" for those uniforms.
You should get a copy of Canadian Forces Dress Regulations, A-AD-265-000/AG-001
Look in that book, Chapter 5, Full Dress And Band Full Dress Uniforms
Appendix 2, Annex A, Chapter 5, para 26. Les Fusiliers Mont-Royal. Fusiliers. White Facings.
In this Appendix 2, Annex A, you will find diagrams of the uniforms.
Infantry Trousers have a 1/4" scarlet trouser stripe. The trousers are Dark Blue.
The Scarlet Tunic Facings being White, would mean that the collar, cuffs and shoulder boards would be white. The trefoil is usually Gold.