Sorry to say, but I think we need a diagram to make sense of this. Usually I would say overhead (plan) view, but if your concern is more about aesthetics, perhaps an elevation would do.

do three 30 in cabs and a singleton 15 inch either far left or next to fridge---I calculate you have 105 inches to fill with the cabs you are discussing. this keeps the door sizes the same.

Thanks herbflavor, we actually have one extra wall cabinet, so we can use the three 30 in cabs, order the 15 inch and not use the 27 in cab. That actually makes sense because the the range and hood on the opposite wall are flanked by a 21 in pantry and 15 in wall cab.

I have another design question. The wall on the left in the photo is the pantry/oven wall. We are switching out the double wall oven for a double oven range and hood. Our new cabinets are a mix of stained base and painted wall cabinets. The pantry wall run will be 21 inch pantry stained, range with painted hood and a 15 inch wall cabinet. The wall cabinets are painted stacks with 18 inch glass on top, but the pantry is stained. Since there is only one wall cabinet on the pantry wall, do you think it would look better as a solid stained wall cabinet rather than the painted stack with glass? That way the painted hood would be centered between two stained cabinets, but the 15' wall cabinet would be the only stained wall cabinet. What do you think?