You may have noticed a bold new trend popping up on Instagram lately: red, orange, yellow, green, blue, purple. All together at once–rainbow everything. Influencers are wearing this trend, head to toe, accessories and all. Rainbow can spice up your fall wardrobe and infuse some fun into your everyday work outfits. While fashion has embraced all black everything for years, this bright new trend will have you embracing all colors of the spectrum. We are sharing 12 of our favorite pieces from this optimistic trend below. All the colors.