You've seen how to shift the color of red cabbage in your dye pot from purple to pink & green, but did you know you can cold shift too? Grab red cabbage dye you already have stored and play around with the pH to see what different colors you can make. Temperature can also play a factor in the colors you achieve with natural dye. This video tutorial will show you how to quickly color shift your red cabbage dye with vinegar, lemon juice and baking soda, as well as the resulting color swatch samples (silk).