Adjusting the orange gradient color can be done by adjusting the hue, saturation, and brightness levels. For a software like Adobe Photoshop or Illustrator, you can select a gradient tool and choose an orange color. Then, you can tweak the gradient sliders to create the desired effect. For a web design, you can use CSS to adjust gradient colors using the 'linear-gradient' function. Remember to consider the context and purpose of the gradient to ensure it complements the overall design.