Did you know? The primary color of the rainbow, red, is visible because it has the longest wavelength and highest frequency on the visible light spectrum.

Creative Coloring Ideas:
• Sure, here are five coloring ideas for a rainbow image:
• 1. Rainbow Fish: Color the rainbow in shades of blue and add some silver glitter to give it a sparkly effect.
• 2. Galaxy Rainbow: Use dark blues and purples to color the background, then use bright colors like pink, green, yellow, and orange to create a colorful rainbow that looks like stars in space.
• 3. Candy Rainbow: Color each band of the rainbow with one of the colors found on candy such as pink, blue, purple, yellow, orange, and red.
• 4. Sunset Rainbow: Add warm colors like orange, yellow, and pink to make it look like a sunset is happening behind the rainbow.