Purpose
Colour coding in the Invoicing screen helps you visually track the payment and collection status of invoice items. You can create your own internal system for it.
You can apply colour coding to the following columns:
Collected
O/S Balance (Outstanding Balance)
How to Apply Colour Coding
Click within the relevant column to change its colour:
Click once → 🔴 Red
Click twice → 🟠 Amber
Click three times → 🟢 Green
Click four times → ⚪ Revert to no colour
Suggested Uses
You can use the colours to indicate:
Items fully paid or still awaiting payment
Items that have or haven’t been collected
The urgency of a payment or collection
This feature is especially helpful for large invoices or auction sales with many buyers.
See the image below as an example of this feature:

