A combination of Cr K-edge XAS and DFT calculations have been performed on archetypal chromium porphyrinoid complexes Cr^IV[TMP]O (<b>2</b>) and Cr^V[TPC]O (<b>3</b>), and the results have been compared to the reference compound Cr^III[TPP]Cl (<b>1</b>), where TPP²⁻, TMP²⁻, and TPC³⁻ are the anions of <i>meso</i>-tetraphenylporphyrin, ...