Red and yellow gradient color poster background

Quick answer：

Red and yellow gradient color poster backgrounds are visually striking designs that use a smooth transition from red to yellow hues. They are commonly used in graphic design to convey warmth, energy, and a sense of progression. These backgrounds can be found in various media such as posters, websites, and digital art. The gradient effect is achieved by blending colors seamlessly, often using software tools like Adobe Photoshop or Illustrator.