Change text color after words are spoken then goes back to original color after

This process can be automated relatively easily - I THINK. It depends on the structure of your text layer(s). If you share more details including your timeline and composition screen captures ...

Hello, hello.

Create a Text Layer.  Apply a Text Animator for Fill Color.  Under the Advanced properties for Range Selector 1 , set the Units to Index and Based On to Words.  Then animate the Offset parameter with Hold keyframes in sync with the dialog/voice over.  While the Animator is selected, use Animation > Save Animation Preset to save a .ffx file that can be quickly applied to other Text Layers via Animation > Apply Animaiton Preset or the User Presets folder in the Effects & Presets panel..

Here's a quick screen recording of applying Fill Color to an exisitng Text Layer and setting up this animation for the Offset value being keyframed:

https://drive.google.com/file/d/1QhbwvkSddNJmzz6FTVx1BC1-w5YcIAgC/view?usp=share_link

Here's a "Change Text Color by Word" FFX file created in After Effects 25:

https://drive.google.com/file/d/1V6W0GndIDbgAlcafL_uo1v4PKDTxVuSI/view?usp=sharing

You couiild probably achieve this by duplcating the text layer, chaning the text oolor on the to text layer and then animating it on using a text Animator. 

Hey Aldine, 

I read your case notes and I think this effect is possible, but I am a little unclear on the steps to pull it off. Hey @Warren Heaton10841144, can you take a look at this request  and see if you can help them create this effect. I hope we can help you shortly. 

Thanks,
Kevin