"Color Theory For Websites" is a crucial aspect of web design, as it significantly impacts user experience and engagement. It involves selecting a palette that resonates with the brand's identity and message, while also considering the psychological effects of colors on users. A well-crafted color scheme can enhance readability, convey emotions, and guide visitors' attention. Key principles include understanding the color wheel, contrast, and harmony, as well as the 60-30-10 rule, which allocates 60% of the palette to a dominant color, 30% to a secondary color, and 10% to an accent color. Additionally, color theory takes into account accessibility, ensuring that the chosen colors provide sufficient contrast for users with visual impairments, and cultural considerations, as colors can have different meanings in various cultures. By applying color theory effectively, websites can create a visually appealing and cohesive design that supports their brand and messaging, ultimately driving user engagement and conversion.