a controller configured to receive a first modifying factor from a background circadian system based on a circadian impact profile for a first space that specifies circadian impact values that vary over time, wherein the circadian impact profile for the first space is generated by the background circadian system in communication with the controller using a model comprising information on physical characteristics of the first space and based on information about tracked circadian impact value levels resulting from other light sources that are not part of the light fixture, wherein the first modifying factor varies over a range of time and comprises indications of an intensity value, a correlated color temperature value, and a color value for different points within the range of time;

a first lighting element controlled by the controller to produce a first light output having a first intensity, a first correlated color temperature, and a first color value, wherein the first correlated color temperature and the first color value of the first lighting element are static while the first lighting element produces light output, wherein the first lighting element is configured to receive instructions from the controller to produce the first light output based at least in part on the first modifying factor; and

a second lighting element controlled by the controller to produce a second light output having a second intensity, a second correlated color temperature, and a second color value, wherein the controller is configured to receive a second modifying factor from the background circadian system and the second lighting element is configured to receive instructions from the controller to produce the second light output based at least in part on the second modifying factor,

wherein a combined light output of the first lighting element and the second lighting element tracks the circadian impact profile over the range of time, and wherein one or more of the second intensity, the second correlated color temperature, the second color value of the second light output are adjusted over the range of time based on the second modifying factor, and the first intensity of the first light output is adjusted over the range of time based on the first modifying factor, wherein the second modifying factor is based on the circadian impact profile and the static light output of the first lighting element,

wherein the controller is further configured to receive user input from a user input device and wherein the controller is configured to cause the first lighting element or the second lighting element to produce light output according to a combination of the user input and the first or second modifying factor, respectively, and

wherein when the user input from the user input device is completed, the controller is further configured to cause the first lighting element to produce light output according to the first modifying factor and to cause the second lighting element to produce the second light output according to the second modifying factor at a time of the circadian impact profile that is aligned with a current time.