Definition: The word "Eva Blue" refers to an artificial light that can be used in various applications, such as night photography, architectural lighting, and for decorative purposes. It is typically composed of two parts: a red or blue light source with a high output intensity and a black reflector to help block out the visible colors. The red part of Eva Blue is known for its ability to produce a bright and intense glow, which can be used in night photography to create dramatic shadows and highlights. The blue part helps to diffuse the light, creating a soft, warm effect that looks like a soft, glowing blue color. In addition to their use as a lighting tool, Eva Blue can also be used in other applications such as architecture, decoration, or industrial design. It is often referred to as "the color of the night" because it casts a soft, dreamy glow on objects and buildings that are illuminated by artificial lights. The exact definition of Eva Blue varies depending on its use and context. Generally, it refers to a specific type of blue light that produces a warm and inviting effect. However, there is no clear definition for all types of Eva Blue, so it may be helpful to refer to specific sources or consult with an expert in the field if you are not sure about what you're seeing.