Earlier quoted context omitted.
Linguists apparently have characterized this phenomenon and call it the “Royal Order of Adjectives” [0]: 1. Quantity or number (e.g., “two”) 2. Quality or opinion (e.g., “lovely”) 3. Size (e.g., “big”) 4. Age (e.g., “old”) 5. Shape (e.g., “round”) 6. Color (e.g., “red”) 7. Origin (e.g., “French”) 8. Material (e.g., “wooden”) 9. Purpose (e.g., “sleeping” in “sleeping bag”) [0] https://www.grammarly.com/blog/adjective-…
The exceptions to this are also interesting to see. For example, “stainless-steel hex nut” or “designer little black dress” both violate the standard ordering, which would predict “hex stainless-steel nut” and “little black designer dress”. These exceptions tend to arise with stock phrases such as “hex nut” or “little black dress”. In that case the entire phrase, including adjectives, is treated as the noun, with add…
I would have thought that little black designer dress was correct. Designer little black dress feels incorrect. The L and BL in Little and black and then the Ds in designer and dress also lend an alliterative flow to “little black designer dress” that is not there for “designer little black dress”