Which of the following is commonly classified as a 'warm' color?

Red is commonly classified as a 'warm' color due to its association with warmth, energy, and passion. In the color wheel, warm colors typically encompass hues that evoke a sense of heat and warmth, such as red, orange, and yellow. These colors tend to draw attention and create a sense of excitement and dynamism.

In contexts such as video production, using warm colors can set a specific tone or mood, enhancing emotional responses in the audience. For example, red can signify love, anger, or urgency, making it a powerful choice in visual storytelling. Understanding this classification helps in color grading and designing scenes that evoke desired emotions effectively.