This is the 13206th most frequent German word.
auffallend
Striking or noticeable.
Here, 'auffallend' is used as an adjective to describe colors that attract attention or are striking in appearance.
Die Farben des Gemäldes sind sehr auffallend.
The colors of the painting are very striking.
In this sentence, 'auffallend' is used as an adverb modifying the verb, indicating that the manner of dressing is conspicuous or attention-grabbing.
Er kleidet sich immer auffallend, um sich von der Menge hervorzuheben.
He always dresses conspicuously to stand out from the crowd.
Here, 'auffallende' is used as an attributive adjective to describe 'Ausdrucksweise' (manner of expression) that is noticeable or remarkable.