Blue Is the Warmest Colour the Warmest Color" through The Criterion Collection on 25 February 2014. As "Blue Is the Warmest Colour", the film was also released on DVD and Blu-ray Disc in Canada on 25 February 2014 by Mongrel Media, in the United Kingdom on 17 March 2014 by Artificial Eye and on 18 June 2014 in Australia by Transmission Films. In Brazil, Blu-ray manufacturing companies Sonopress and Sony DADC are refusing to produce the film because of its content. The distributor is struggling to reverse this situation. "Blue Is the Warmest Colour" grossed a worldwide total of $19,492,879. During its opening in France,
Forel-Ule scale sea and lake water colors, as they appear to an observer ashore or on board a vessel. The method is used in conjunction with the Secchi disk submersed to half the Secchi depth. The method was developed by François-Alphonse Forel and was three years later extended with greenish brown to cola brown colors by the German limnologist Willi Ule. The Forel Ule scale, a color comparator scale, has been described by Wernand and van der Woerd (M. R. Wernand, H. J. van der Woerd, "Spectral analysis of the Forel-Ule Ocean colour comparator scale.", J. Europ. Opt. Soc. Rap. Public. 10014s