I'm looking to create a similar-style text effect to what is in the image. Mainly, I want the extended rainbow effect coming off the backside of the text.
Make as many texts copies as colors the gradient will have
- The bottom-left text has the same color as the background
- Arrange them from back to front, from bottom to top
Select all the texts and go to menu Object → Blend → Make
Select the blend and go to menu Object → Blend → Blend options and change the Spacing number to Specified Steps:
Put the original white text on top