Blue Is the Warmest Colour trying to make their flesh more familiar to us than his own." "Blue Is the Warmest Colour" is also filled with visual symbolism. The colour blue is used extensively throughout the film—from the lighting in the gay club Adèle visits, to the dress she wears in the last scene and most notably, in Emma's hair and eyes. For Adèle, blue represents emotional intensity, curiosity, love, and sadness. Adèle also references Pablo Picasso a number of times, who famously went through a melancholy Blue Period. As Emma grows out of her relationship with Adèle and their passion wanes, she removes the
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