My SIL to be has had her colour royal blue picked since before she got engaged. We are getting married about 6 months apart with me first. I had originally chosen a teal colour but my bridesmaids aren't a fan of the colour. I have found a fantastic bridesmaid dress is cobalt which is really similar to royal blue... What is the ettiquette here? I don't want her to feel that I've stolen her colour but it's the only colour my bridesmaids all like, I love this dress. Our weddings overall are very different.. Mine is casual beach hers is church formal... What are your thoughts!?!