Edit the name of 732 images

Edit the name of 732 images:
Look at the colour of the product in the image
Search for the product using the SKU eg. VAN102
Find the product Colour Name eg. black
Search in Excel for the SKU and Colour Name abbreviation eg. VAN102 Black = blk
Edit the image name from 'van102_colour__10.jpg' to 'van102_colour_blk_10.jpg'

3 video examples for 3 different products can be found here:
https://charterhouse-holdings.co.uk/pph01.mov
https://charterhouse-holdings.co.uk/pph02.mov
https://charterhouse-holdings.co.uk/pph03.mov

There are 100 products.

The three letter abbreviation may be different per product even if the colour is the same eg. VAN102 Black equals 'blk' but XP3016-20 Black might be 'bla'

Excel file, website admin login and all images will be supplied.