Hi @Barry,
welcome to Airtable community! This is possible but it is required to have a Pro plan in Airtable because the coloring option is in available on that plan.
Then you can create a formula field which will check the conditions of formatting. For example for 30 days before a date, the date has to be formatted:
IF(DATETIME_DIFF({your_date_field},now(),‘dasys’)<30,“red color”,“blue color”)
The next step is to set up a conditional formatting like the “red color” with the red color.
Please text us back if it works for you.
Thanks
Dimitris Goudis