and ' HUE (4 letters) Mild Protest is a form of protest that is not as aggressive or disruptive as other forms of protest. The two crossword solutions for the term Mild Protest are PEEP (4 letters) and HUE (4 letters). PEEP is an informal term for a short, high-pitched sound, usually made by a bird or small animal. HUE is a color or shade, especially one produced by light of a single wavelength. Together, these two words can be used to describe a mild protest, which is often characterized by a quiet, but noticeable presence.