that defers to Canada’s retention of British spelling. (One of the tweaks was to replace color by colour.) Being deferential does not suit me, so I revert to US spelling in some new mischief at the end.
When colour computer displays came in, I was jolted to see that a yellowish green and an orangish red were now “primary” for RGB coordinates of coloured pixels. I also had to use CMYK coordinates for coloured inks and pray to the graphics gods that printing software would translate from RGB to CMYK in a way that respected how something looked. My prayers were seldom answered. Eventually, I learned to put away childish things (like hard copy).
Before Colours Went RGB
Red, yellow, and blue
were “primary” when kids
smeared paint on paper.
I am all too aware of several ways that Canada is more sensible than the USA. I used one of the less important ones to balance a little mischief about one small way the USA is more sensible:
Color in 6 Letters
Some folks spell it with a U.
On my honor, they sure do.
Hour and sour I can buy;
misspelled humor makes me cry.
You stayed loyal to the Crown?
Gotta press that U key down!
I’m a proud Yank but confess
that our anthem is a mess,
sung as if we never heard:
yeh-et really ain’t a word.
Mellow Curmudgeon 
Lol!
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