Whether colour patterns that have no luminance variation can evoke the perception of visual motion has long been a controversial issue. Recent studies using new and old techniques have now provided compelling evidence that colour can indeed contribute to motion perception.
Derrington, A. M. (2000, April 1). Vision: Can colour contribute to motion? Current Biology. Current Biology Ltd. https://doi.org/10.1016/S0960-9822(00)00403-6