Hello, When I make the angle of the sun with the zenith (vertical) to 0 so that there is no shadow while making the floor plan render, the color of the parquet turns gray. It is attached
If it is not desired to create a shadow without making the angle of the sunlight zero, it is necessary to enter the material used property and remove the Material editor / Effects / Material-based lighting effects / Shadows option. Apply this to the materials you use on the floor. In this way, you can get a shadowless image without a change in color. In addition, the pdf file of the values you can reference while entering the material values is available in the appendix below.