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Here is an excellent comparison picture of the Deep Indigo Swiftly on the Left and the Black Swan Swiftly on the right. I think there are differences between both colors but I probably wouldn’t want both. If you’re a purple girl just stick with the Black Swan. Personally I gravitate to blues in my closet so if I had Black Swan I’d sell it in order to get the Deep Indigo but I’d definitely not keep both.
