It's fine to discuss the relative merits of the Alberta tartan's design in a hypothetical fashion, but let's not forget that it is a registered sett that was officially recognized by the province in the 1960s. It is what it is, although there is also an Alberta dress tartan that became official in 2000.
The thing about an official design is that it is iconic. Changing it makes it into something else, which could lack the recognition of the original. Imagine someone saying, "hmmmmm... the red in the USA's flag is too dark. Let's make it pink!" or "hmmmmm.... the blue in the Saltire is too light. Let's make it navy!"
That is to say, discuss away, but please respect the provincial tartan! 
From the Legislature:

Government website with the Emblems of Alberta:
http://culture.alberta.ca/about/emblems-of-alberta/
Personally, I would get a kilt in the Alberta tartan, if a new kilt was in the budget.
- Justitia et fortitudo invincibilia sunt
- An t'arm breac dearg
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