Digha Nikaya (Coleção dos Discursos Longos) 1:626
SUJATOAjjhattaṁ arūpasaññī eko bahiddhā rūpāni passati odātāni odātavaṇṇāni odātanidassanāni odātanibhāsāni.
Not perceiving form internally, someone sees forms externally that are white, with white color and white appearance.