What doeas it mean that someone has milkweed-pale hair? What colour is that?

I found it in a book but English is not my native language, Im not sure if this is some poetic metaphor or is it just yellow? or:I found it in a book

I found it in a book but English is not my native language, I'm not sure if this is some poetic metaphor or is it just yellow?

or:I found it in a book but English is not my native language, I'm not sure if this is some poetic metaphor or is it just yellow?

Tags:milkweed,