It’s also very important in different fields of applications. For example, in shops, you need bright and contrasting lighting to show off the color of your merchandise. This way, people will be more likely to buy the merchandise you're showing off. Or in some cases, like in meetings, if the content of your slides is more vibrant and has more saturated colors, then people are more likely to be drawn to your presentation. They won’t fall asleep. They'll be more excited and be more likely to pay attention to your speech.