Consistent metallicity scale for cool dwarfs and giants - A benchmark test using the Hyades L. Dutra-Ferreira, L. Pasquini, R. Smiljanic, G. F. Porto de Mello and M. Steffen A&A, 585 (2016) A75 Published online: 22 December 2015 DOI: 10.1051/0004-6361/201526783