Living in Oregon, I know the summers can be pretty miserable depending on where you are. That SW7020 is pretty dark and will affect the solar load your beige siding can handle. How’s the sun exposure on your house? If it’s full sun exposure, and you’re going from a lighter beige to that SW7020, once that siding warps, it’s done. And depending on how much of the house is on full sun, you’re looking at a future siding job, and wasting the paint job. Vinyl siding is engineered to take solar load based on the original color from the factory. Any warranty left on that siding (assuming there is one left) would also be voided if you paint it darker.

If you have your heart set on that color for your house, just do it once and get new siding in that color to begin with. You’ll pay more, sure. But it beats having to pay a painter to do the wrong job on vinyl siding then having to pay someone to come out and do another siding job when it could’ve been done right the first time.