If you're editing old artwork chances are the Pantone colors in the artwork are using incorrect or out of date formulas.

Buy online at https://o2creative.co.nz/shop/Update_Spot_Color_Formulas_with_Re-Spot_PowerScript_for_Adobe_Illustrator

This simple PowerScript updates your spot color swatches to the latest definitions using Illustrators built in color books.

http://www.powerscripts.co.nz/powerscripts.php

Replacing colors from supplied art can be a challenge, traditionally you need to select and replace fills and strokes separately, and it's easy to miss something. Illustrators Recolor Artwork tool can be a bit clunky when you only want to change a few colors or you know exactly what colors you want changed. With this powerScript you can quickly list the colors in your document and choose a suitable replacement color.

Buy online at https://o2creative.co.nz/shop/Color_Replacer_PowerScript_for_Adobe_Illustrator

Features:
+ Quickly replace specific the colors in a document.
+ Ensure that there are no unexpected colors.
+ Convert blacks to standard Blacks or Rich Blacks.
+ Easily replace colors including hard to find colors.
+ Remove unused colors from the swatch palette.
+ Preserve tints.

http://o2creative.co.nz/powerscripts.php