from AG's description (in order of strongest to lightest)...i have all except the red. yellow is the most aggressive.
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Edge 2000 6 Inch Yellow Cutting DuraFoam Pad
This pad is aggressive, and will cut through deep surface marks and swirls. They work well on heavy oxidation and pitted finishes, and will remove wet sand scratches without causing burning. E-621Z
Edge 2000 6 Inch Green Medium Cut DuraFoam Pad
This pad is useful for light oxidation and moderate to severe swirls and imperfections. This pad will yield amazing results on older vehicles, and should be used on vehicles with moderate swirls and imperfections. Add a compound or pre-wax cleaner for a flawless finish on base coats. 50 pores per inch (ppi) E-622Z
Edge 2000 6 Inch Orange Light Cutting DuraFoam Pad
This pad is highly versatile, as it can be used on cars with light to moderate swirls and imperfections. We recommend you begin with this pad if you are unsure how deep swirls are, moving up to a Green Medium Cut Pad if necessary. Safe on clear coats. 60 pores per inch (ppi) E-5276Z
Edge 2000 6 Inch Blue Finishing DuraFoam Pad
This pad is great for everyday use. It will leave surface areas scratch-free and smooth while still removing light swirls and imperfections. Use with wax and polish to apply a fine gloss. Safe on clear coats. 70 pores per inch (ppi) E-623Z
Edge 2000 6 Inch White DuraFoam Pad
This ultra-smooth polishing pad contains 80 pores per inch, allowing for fine polishing which creates a bold, crystalline gloss Use this pad to apply waxes, polishes and sealants. Safe on clear coats. 80 pores per inch (ppi) E-624Z
Edge 2000 6 Inch Red LSP DuraFoam Pad
The red pad is softer than the white pad, which makes it perfect for new car finishes. Apply last step products, like waxes, sealants and glazes without fear of abrasion. The red pad also makes layering products easier. Apply multiple coats of your favorite wax or sealant with the red lsp foam pad, only from Autogeek. E-726605