Meaning of the word "blind men can judge no colors" in English

What does "blind men can judge no colors" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

blind men can judge no colors

US /blaɪnd mɛn kæn ʤʌʤ noʊ ˈkʌlərz/
UK /blaɪnd mɛn kæn ʤʌʤ nəʊ ˈkʌləz/
"blind men can judge no colors" picture

Idiom

people who lack knowledge or experience in a certain area are not qualified to give an opinion or make a judgment about it

Example:
He tried to critique the complex scientific paper without any background in physics, but blind men can judge no colors.
Asking someone who has never traveled to plan a world tour is useless; blind men can judge no colors.