A lighting system comprising: a first controllable light source configured to provide light in a first direction, and an optical element comprising a grid of hexagonal cells, wherein light emitted by the first controllable light source within a threshold angle each side of the normal from the middle of each cell does not pass through a cell wall and thus is not processed, whereas light emitted at an angle greater than the threshold angle each side of the normal passes through a cell wall and is suitably processed, characterized in that the lighting system further comprises: a second electrically controllable light source configured to provide light in a second direction, and an edge lit light guide comprising an out-coupling pattern on its surface and/or scattering particles or structures formed within its structure, wherein the second electrically controllable light source is side coupled to the edge lit light guide, wherein the edge lit light guide is configured in such a manner that light from the first controllable light source and the optical element are coupled to the edge lit light guide and pass through the edge lit light guide along the depth dimension of the edge lit light guide and a significant portion of the light emitted by the first controllable light source is not scattered or diffused, and wherein the edge lit light guide is configured to diffuse light provided by the second electrically controllable light source such that at least a portion of the light provided by the second electrically controllable light source is output in the first direction and is mixed with the light provided by the first controllable light source. a first controllable light source configured to provide light in a first direction, and an optical element comprising a grid of hexagonal cells, wherein light emitted by the first controllable light source within a threshold angle each side of the normal from the middle of each cell does not pass through a cell wall and thus is not processed, whereas light emitted at an angle greater than the threshold angle each side of the normal passes through a cell wall and is suitably processed, characterized in that the lighting system further comprises: a second electrically controllable light source configured to provide light in a second direction, and an edge lit light guide comprising an out-coupling pattern on its surface and/or scattering particles or structures formed within its structure, wherein the second electrically controllable light source is side coupled to the edge lit light guide, wherein the edge lit light guide is configured in such a manner that light from the first controllable light source and the optical element are coupled to the edge lit light guide and pass through the edge lit light guide along the depth dimension of the edge lit light guide and a significant portion of the light emitted by the first controllable light source is not scattered or diffused, and wherein the edge lit light guide is configured to diffuse light provided by the second electrically controllable light source such that at least a portion of the light provided by the second electrically controllable light source is output in the first direction and is mixed with the light provided by the first controllable light source. a second electrically controllable light source configured to provide light in a second direction, and an edge lit light guide comprising an out-coupling pattern on its surface and/or scattering particles or structures formed within its structure, wherein the second electrically controllable light source is side coupled to the edge lit light guide, wherein the edge lit light guide is configured in such a manner that light from the first controllable light source and the optical element are coupled to the edge lit light guide and pass through the edge lit light guide along the depth dimension of the edge lit light guide and a significant portion of the light emitted by the first controllable light source is not scattered or diffused, and wherein the edge lit light guide is configured to diffuse light provided by the second electrically controllable light source such that at least a portion of the light provided by the second electrically controllable light source is output in the first direction and is mixed with the light provided by the first controllable light source.