Chromatic Automata: How Simple Rules Paint Surprising Worlds of Color

When we think about cellular automata, we often imagine black-and-white grids ticking forward in time, like digital snowstorms marching across the screen. But once we add color — palettes, gradients, and seasonal hues — these same simple rules start to resemble mountain ranges, woven textiles, or abstract paintings. In this article, I explore how color transforms elementary cellular automata, starting from my earlier experiments with gradients and then moving into interactive, browser-based explorations. From Two Tones to Color Gradients In my previous piece, “Chromatic Evolution: Expanding the Color Palette of Cellular Automata,” I began with classic black‑and‑white rules and asked a simple question: what if each new row could have its own color gradient. By mapping cell states to smooth transitions between colors, the familiar triangular structures of rules like 50 or 30 suddenly looked like stylized mountain peaks and layered landscapes. Even a fixed rule, when combined with evolvin