Pure color images, seven kinds

Quick answer：

Pure color images refer to images that consist of only one color, with variations in tone or intensity. There are several types of pure color images, including: 1. Solid color backgrounds, often used in graphic design and photography; 2. Monochromatic images, which use various shades of a single color; 3. Black and white images, a two-color representation often used in art and photography; 4. Sepia-toned images, which have a brownish hue; 5. Tinted images, which add a single color to a black and white image; 6. Full-spectrum color images, which use all the colors of the visible spectrum; 7. Custom color images, which are created using a specific color palette.