An experimental setup for emotion regulation at home is introduced in this paper. The experimentation starts from the premise that changes in the ambience in terms of illumination and color are able to produce alterations in inhabitants' emotional state. The proposal uses RGB LED strips that are regulable in color and intensity to control the ambience. The full details of the assembly of a circuit that includes a microcontroller and a number of strips are provided. Afterwards, a novel approach for complex color emotion evaluation based on lexical semantic scales and self-evaluation is discussed. Then, the experimental results of a pilot test with 27 participants are discussed.