These keys will fit the RD-600 some RD500s, A-90 FP1, FP9 along with those listed below. They are in good shape but we can not guarantee an exact color match with your existing keys.
Roland A-90 EX
Roland RD-500 (type 2)
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The key were a bit yellowish but just a bit and it was very well informed any way. So I got the keys, they worked just fine, arrived just fine and I do not even remember what keys were when looking at the keyboard so... very happy. I will buy from them again with no problem.