Table 1. Colorimetric values of the presented surfaces.

Columns x, y, and Y display the CIE xyY values according to the 10° CIE 1964 standard observer [34], specified relative to a D65 white point [33].

Surface	Luminance	x	y	Y (cd/m2)
Ceiling	Low	0.30	0.33	34.87
	High	0.30	0.34	82.64
Rear wall	Low	0.30	0.33	25.46
	High	0.30	0.34	82.08
Side walls	Low	0.30	0.33	25.45
	High	0.30	0.34	82.11
Floor	-	0.28	0.32	0.83