Lighting is an essential element in modern-day life. From the bright lights of the big city to the soft glow of a firefly, lighting affects us in more ways than we can imagine. Everything from the way we see our environment to our mood and even our health can be directly impacted by the lighting in our lives. Lighting can be categorized into direct and ambient lighting. Direct lighting is more direct, such as the light from overhead or task lighting, to help us see our environment. Ambient lighting is very indirect, such as the flickering of a candle, which helps set the mood and can be used in relaxation or leisure. The type of lighting we use can have a direct affect on our energy levels. Warmer colors like red, orange, and yellow bring more energy to a space, while softer colors such as blue and green are more calming. Lighting can also be used to create atmosphere and mood in a room. It can be adjusted to reflect a certain era or theme and can be used to enhance the overall design of a space. Finally, lighting can also affect our health in various ways. Studies have shown that natural sunlight can help improve focus and concentration, as well as our overall mood. On the other hand, improper lighting, such as too much blue light, can lead to fatigue, headaches, and eye strain. Lighting is an important part of our everyday lives and while it may seem small, it has a significant impact on our environment, energy, and health. When it comes to lighting, its important to choose wisely and keep our overall mood and environment in mind.