Pink and Charcoal pre-cut bias stripes. I'd guess around
The year Elvis had a cadillac painted pink for his mother.
1957 film Funny Face about the fashion industry,
Kay Thompson in charcoal suit
Fashion fabric and feedsacks
Where did the fad come from?
One important consideration is that dyes giving cotton a range of gray shades
were fairly new---you could call it a post-War technological advance.
And Elsa Schiaparelli was the ultimate in French fashion, which was working
on a post-War revival.
Schiaparelli's Shocking pink perfume had a label in the color that
had been her signature for decades
Charcoal and gray defined the fifties from high fashion to low.
Too many "Before" pictures...
have inspired grassroots action:
Save The Pink Bathrooms.
It's probably cheaper to save pink dishes.