Modders-Inc checked out the Noctua Industrial PPC Fans Revisited: 24V Models and Chromax Colour Accessories
A quote from the article:
Known for its signature brown colour as well as its silent performance, Noctua's fans come easily recommended for those with thermal concerns but a bit of a hit-or-miss when it comes to system aesthetic integration. Many are not too fond of the brown and flesh color-scheme which sharply contrasts with mostly black and loud red or blue component pieces.Noctua Industrial PPC Fans Revisited: 24V Models and Chromax Colour Accessories @ Modders-Inc