This is the 12740th most frequent Russian word.
красными
"Красными" means "red" (plural).
'Красными' functions as an adjective in instrumental plural form, agreeing with the noun 'лентами' (ribbons).
Роза была связана красными лентами.
The rose was tied with red ribbons.
'Красными' is an adjective in instrumental plural form, modifying the noun 'красками' (paints).
Мы покрасили стены красными красками.
We painted the walls with red paints.
'Красными' is used as an adjective in instrumental plural form, describing the noun 'закладками' (bookmarks).