Hi, Recently when I invoice some portion of the invoice has become very light in colour, so when we print it's not visible. Is there a way I can change font color ?

Thanks for checking this out in the Community, Bari2.

It's possible the invoice template might have been changed or edited. Let me share the steps on how you can edit it back to the previous appearance. Here's how:

1. Go to the Gear icon and select Custom form styles. 
2. Look for the invoice template that you're using, then click the Edit button in the right-hand corner.
3. Under the Design tab, click Try other colors. Then, select the color that you want. 
4. Click Done.

After that, print another invoice using the template. Then, check if that is printing correctly. Let me also share this article for additional details: Customise Invoices, Estimates, and Sales Receipts in QuickBooks Online.

I also wanted to add these articles in case you want to add more customisation to your sales transactions:

• Add, Customise, or Remove Logos on Sales Forms 
• Add Custom Transaction Numbers to Sales Forms in QuickBooks Online 

Please share updates in your reply if that steps helped you fix the color of the invoice. You can also ask more questions if you need anything else.