IMHO, if you have to ask, it's probably not that great of an idea to wear it to work. Not that I mean to be sassy or rude, it's just a good rule of thumb.
If it were me, I wouldn't wear it, only because no matter how light it is, it is still blue! Then again, an even better way to judge is to notice what the other women are wearing. If your light blue still sticks out, leave it for when you are outside of work.
Just my two cents!
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