Tyrian purple the Iles Purpuraires at Mogador, in Morocco. The sea snail harvested at this western Moroccan dye production facility was "Hexaplex trunculus" (mentioned above) also known by the older name "Murex trunculus". This second species of dye murex is found today on the Mediterranean and Atlantic coasts of Europe and Africa (Spain and Portugal, Morocco, and the Canary Islands). The colour-fast (non-fading) dye was an item of luxury trade, prized by Romans, who used it to colour ceremonial robes. Used as a dye, the color shifts from blue (peak absorption at 590 nm, which is yellow-orange) to reddish-purple (peak absorption at
Tyrian (video game) never find a publisher. However, after a long wait, Robert Allen—head of Safari Software—considered "Tyrian" to fit perfectly with their company, which handled smaller scale projects. Robert Allen had word from Cliff Bleszinski that "Tyrian" was very similar to "Zanac", thinking that it should be followed up. Robert Allen gave leads to sound coders and artists, the first being Bruce Hsu who created interface graphics and character faces. Artist Daniel Cook was hired after composer Alexander Brandon showed interest in his artwork, which was—unbeknown to Cook—"sent around" by a friend. After he was sent a short list of levels, Cook