82: Colours and Style Q&A: How can I wear colorful outfit at the same time when having one colour contrast? Is it unusual to have a long decolletage and long rise? What kinds of scarves should you have in a collection?

I love colourful outfits but my colour contrast is 1 colour at a time how can I wear more colours at the same time without looking like a clown?
Is it unusual to have a long decolletage and long rise?
WHat kinds of scarves should you have in a collection? Signature colours? Contrasts, patterns, or plain?