Learn to create a stunning rainbow in Illustrator CS3 with this step-by-step tutorial. Discover techniques for blending colors and manipulating shapes to achieve a realistic and vibrant effect.
Make a rectangle using the Rectangle tool. Use Alt+drag and Shift key one time down to the right position. Click CTRL+D three times. To change the colour, select the rectangles one by one and by clicking on a swatch.
Choose all the rectangles and group them.
Navigate to Effect>Warp>Arc.
Change the Horizontal percentage to 80%.
Click on Expand Appearance.
Now we have a rainbow.