The colours rotated around on a disc and were reflected onto the wall behind.
那些色彩在一张圆盘上旋转，并被反射到后面的墙上。
《柯林斯英汉双解大词典》
2
We reached 1931 with Creole Rhapsody, which reflected Ellington's command of the tonal and rhythmic resources of his band as if they were colours on a painter's palette.
We don't see lux levels, we see the light reflected from its surrounding spaces, hence understanding of materials, colours and how it interacts with lighting is crucial for a good lighting design!