Tono + co Tono + co is a hand-dyed silk textile company based in Santa Ana, California. We specialize in the creation of custom-colored silk textiles, ribbons, and wearables. Every part of our process is hand-m Tono + co is a hand-dyed silk textile company based in Santa Ana, California. We specialize in the creation of custom-colored silk textiles, ribbons, and wearables. Every part of our process is hand-made. Color is our passion and our team of artisans hand-mix each of our signature colors.