Don't think a similar idea has been posted previously.
In TEXT cards, it would be great if we can change the following:
1. The heading colors to be Hex Code (RGB Range) based so that there is a variety of options that caters to branding requirements.
2. Similar to how Image cards and links to other pages work, it would be ideal that we can click on the heading text and it takes to the linked page - rather than clicking on the top left '>' link in the Text card.