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<h2 id="variations">Variations</h2> <h3>Cyan</h3> <p class="note">Main article: <a href="/facts/Cyan/AXtegEzm">Cyan</a></p> <p>Cyan is the blue-green color that is between <a href="/facts/Blue/DHWb8MUa">blue</a> and <a href="/facts/Green/gFTac7St">green</a> on a modern <a href="/facts/RGB_color_model/3Be0zwCj">RGB color wheel</a>. </p><p>The modern RGB color wheel replaced the traditional old-fashioned RYB color wheel because it is possible to display much brighter and more saturated colors using the primary and secondary colors of the RGB color wheel. In the terminology of <a href="/facts/Color_theory/bDWrmeqV">color theory</a>, <a href="/facts/RGB_color_space/00Q0tTS5">RGB color space</a> has a much larger <a href="/facts/Color_gamut/bRQc2fCr">color gamut</a> than <a href="/facts/RYB_color_space/oBohLmE9">RYB color space</a>. </p><p>The first recorded use of <i>cyan</i> as a color name in <a href="/facts/English_language/tpkxGt7b">English</a> was in 1879.<a class="footnote-ref" id="fnref:1" href="#fn:1"><sup>1</sup></a> </p> <h3>Turquoise</h3> <p class="note">Main article: <a href="/facts/Turquoise_(color)/olC5xCzv">Turquoise (color)</a></p> <p>The color turquoise is that of the <a href="/facts/Semi-precious_stone/kHffmvE3">semi-precious stone</a> <a href="/facts/Turquoise/vCPfDGPq">turquoise</a>, which is a light tone of blue-green. </p><p>Its first recorded use as a color name in <a href="/facts/English_language/tpkxGt7b">English</a> is from 1573.<a class="footnote-ref" id="fnref:2" href="#fn:2"><sup>2</sup></a> </p> <h3>Green-blue</h3> <p>Green-blue is a <a href="/facts/Crayola/FHEb5nYb">Crayola</a> crayon color from 1958 to 1990. </p> <h3>Bondi blue</h3> <p>Bondi blue belongs to the <a href="/facts/Cyan/AXtegEzm">cyan</a> family of blues. It is very similar to the <a href="/facts/List_of_Crayola_crayon_colors/tPWGUeNC">Crayola crayon color</a> "blue-green". </p><p><a href="/facts/Apple%2c_Inc./oTJYta3k">Apple, Inc.</a> christened the color of the back of the <a href="/facts/IMac_G3/PtcWF9bT">original iMac</a> computer "Bondi blue" when it was introduced in 1998. It is said to be named for the color of the water at <a href="/facts/Bondi_Beach%2c_New_South_Wales/rP8Fhtqr">Bondi Beach</a>, in Sydney, Australia. </p> <h3>Blue green (Munsell)</h3> <p>One definition of the color is in the Munsell color system (Munsell 5BG) although there is widespread acceptance and knowledge of the color from the so-called blue-green algae which have been recognised and described since the 18th century and probably before that. </p> <h3>Cerulean</h3> <p class="note">This section is an excerpt from <a href="/facts/Cerulean/t82F9IBF">Cerulean</a>.[<a href="https://en.wikipedia.org/w/index.php?title=Cerulean&action=edit">edit</a>]</p> Cerulean as a <a href="/facts/Quaternary_color/HeQmGXjJ">quaternary color</a> on the RYB color wheel<table><tbody><tr><td> blue</td></tr><tr><td> <a href="/facts/Cerulean/t82F9IBF">cerulean</a></td></tr><tr><td> teal</td></tr></tbody></table> <p>The color cerulean (<a href="/facts/American_English/sdAfgPgM">American English</a>) or caerulean (<a href="/facts/British_English/ymJR5Rnd">British English</a>, <a href="/facts/Commonwealth_English/FfHnv1CT">Commonwealth English</a>), is a variety of <a href="/facts/Blue/DHWb8MUa">the hue of blue</a> that may range from a light azure blue to a more intense sky blue, and may be mixed as well with the hue of green. The first recorded use of <i>cerulean</i> as a color name in <a href="/facts/English_language/tpkxGt7b">English</a> was in 1590.<a class="footnote-ref" id="fnref:3" href="#fn:3"><sup>3</sup></a> The word is derived from the <a href="/facts/Latin/pM3Kge85">Latin</a> word <i>caeruleus</i> (Latin: [kae̯ˈru.le.us]), "dark blue, blue, or blue-green", which in turn probably derives from <i>caerulum</i>, diminutive of <i>caelum</i>, "heaven, sky".<a class="footnote-ref" id="fnref:4" href="#fn:4"><sup>4</sup></a> </p> "Cerulean blue" is the name of a blue-green <a href="/facts/Pigment/I3clCYkF">pigment</a> consisting of <a href="/facts/Cobalt/gqhScEw4">cobalt</a> <a href="/facts/Stannate/Dq0PxxjC">stannate</a> (Co2SnO4). The pigment was first synthesized in the late eighteenth century by Albrecht Höpfner, a Swiss chemist, and it was known as Höpfner blue during the first half of the nineteenth century. Art suppliers began referring to cobalt stannate as cerulean in the second half of the nineteenth century. It was not widely used by artists until the 1870s when it became available in <a href="/facts/Oil_paint/YMgKMEaU">oil paint</a>.<a class="footnote-ref" id="fnref:5" href="#fn:5"><sup>5</sup></a> <h3>Teal</h3> <p class="note">This section is an excerpt from <a href="/facts/Teal/TqzbEGnU">Teal</a>.[<a href="https://en.wikipedia.org/w/index.php?title=Teal&action=edit">edit</a>]</p> Teal as a <a href="/facts/Tertiary_color/HeQmGXjJ">tertiary color</a><table><tbody><tr><td> green</td></tr><tr><td> teal</td></tr><tr><td> blue</td></tr></tbody></table> <p><a href="/facts/Teal/TqzbEGnU">Teal</a> is a greenish-blue color. Its name comes from that of a bird—the <a href="/facts/Eurasian_teal/61qzLNJp">Eurasian teal</a> (<i>Anas crecca</i>)—which presents a similarly colored stripe on its head. The word is often used colloquially to refer to <a href="/facts/Shades_of_cyan/SeaR71vl">shades of cyan</a> in general. </p><p>It can be created by mixing cyan into a green base, or deepened as needed with black or gray.<a class="footnote-ref" id="fnref:6" href="#fn:6"><sup>6</sup></a> It is also one of the first group of 16 HTML/CSS <a href="/facts/HTML_color_names/bvUDhlfX">web colors</a>. In the RGB model used to create colors on computer screens and televisions, teal is created by reducing the brightness of cyan to about one half. </p> In <a href="/facts/North_America/djNjCQIl">North America</a>, teal became a <a href="/facts/Fad/00adAbLa">fad</a> color during the 1990s, with many sports teams adopting it for their uniforms.<a class="footnote-ref" id="fnref:7" href="#fn:7"><sup>7</sup></a><a class="footnote-ref" id="fnref:8" href="#fn:8"><sup>8</sup></a> <h2 id="in-nature">In nature</h2> <ul><li><a href="/facts/Cyanobacteria/S8bKxIU9">Blue-green algae</a> are a <a href="/facts/Phylum/ELT3Jyax">phylum</a> of <a href="/facts/Bacteria/wC8xSCsU">bacteria</a> that obtain their energy through <a href="/facts/Photosynthesis/TMV7w693">photosynthesis</a>.</li> <li>The <a href="/facts/Blue_green_damselfish/PLA9Hv53">blue green damselfish</a> is a species of <a href="/facts/Damselfish/cCh6J2fw">damselfish</a>.</li> <li><a href="/facts/Glacial_flour/cwN4I9IK">Glacial flour</a>, powdered rock, can turn a lake to a blue-green color.</li></ul> <h2 id="in-culture">In culture</h2> <ul><li>In some <a href="/facts/Language/IRcTok2q">languages</a>, blue and green are considered a <a href="/facts/Distinguishing_blue_from_green_in_language/9HlYHbNz">single color</a>.</li> <li>In the <a href="/facts/Iconography/YUcIQLN7">iconography</a> of the <a href="/facts/Virgin_of_Guadalupe/tKnq9aUz">Virgin of Guadalupe</a>, she is often depicted as wearing a blue-green colored robe. The color is significant to the <a href="/facts/Mexica/kqI5KXAs">Mexicas</a> because of the <a href="/facts/Aztec_religion/maz0DUVB">Aztec religion</a>. Also, Blue-green is known as <a href="/facts/Maya_blue/lkvnc7uq">Maya blue</a> in <a href="/facts/Pre-Columbian_era/0Ntjleee">pre-Columbian</a> cultures. In the <a href="/facts/Nahua_peoples/WFXTweKj">Nahuatl</a> culture blue represents the center of fire and <a href="/facts/Tonalli/y4N5JN8d">tonalli</a>. Also sometimes the blue color is diluted so it appears as a <a href="/facts/Turquoise/vCPfDGPq">turquoise</a> on manuscripts. The color is often used for the representation of Aztec rulers and European kings.<a class="footnote-ref" id="fnref:9" href="#fn:9"><sup>9</sup></a></li> <li>Variations of blue-green are the political colors (or one of the political colors) of various political parties, including: <ul><li><a href="/facts/New_Right_(Denmark)/t6vGHc84">New Right</a> (<a href="/facts/Denmark/KVtykzsw">Denmark</a>)</li> <li><a href="/facts/DENK_(political_party)/zG4SkXIG">DENK</a> (<a href="/facts/The_Netherlands/y8xn5stT">The Netherlands</a>)</li> <li><a href="/facts/Reform_UK/7UJb03GS">Brexit Party/Reform UK</a> (<a href="/facts/United_Kingdom/kuPAILt2">United Kingdom</a>)</li> <li><a href="/facts/People-Animals-Nature/gBgICjNy">People-Animals-Nature</a> (<a href="/facts/Portugal/lYzwDQ63">Portugal</a>)</li> <li><a href="/facts/Justice_Party_(United_States)/h26CQ8BP">Justice Party</a> (<a href="/facts/United_States/P0sCdLe5">United States</a>)</li></ul></li> <li>In Australia, a loosely-aligned group of independent and minor party candidates that ran in the 2022 Australian federal election were called <a href="/facts/Teal_independents/N5eJv97d">teal independents</a> for their blend of <a href="/facts/Green_politics/3uzob1pB">green</a> and <a href="/facts/Liberal_Party_of_Australia/st2oeqFy">blue (Liberal)</a> politics.</li></ul> <h2 id="see-also">See also</h2> <ul><li><a href="/facts/List_of_colors/mFdEBmgQ">List of colors</a></li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>Maerz and Paul A Dictionary of Color New York:1930 McGraw-Hill Page 194 <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>Maerz and Paul A Dictionary of Color New York:1930 McGraw-Hill Page 206; Color Sample of Turquoise [green]: Page 73 Plate 25 Color Sample I5 <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>Maerz, Aloys John; Paul, M. Rea (1930). A Dictionary of Color. McGraw-Hill Book Company. p. 190; Color Sample of Cerulean: Page 89 Plate 33 Color Sample E6. <a href="https://books.google.com/books?id=jnQ0AAAAIAAJ" target="_blank">https://books.google.com/books?id=jnQ0AAAAIAAJ</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>"cerulean - Search Online Etymology Dictionary". Etymonline.com. Retrieved 20 November 2017. <a href="http://www.etymonline.com/index.php?search=cerulean&searchmode=none" target="_blank">http://www.etymonline.com/index.php?search=cerulean&searchmode=none</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li> <li id="fn:5"><p>Eastlaugh, Nicholas (2004). The pigment compendium: a dictionary of historical pigments. Amsterdam; Boston: Elsevier Butterworth-Heinemann. p. 90. ISBN 9780750657495. <a href="9780750657495" target="_blank">9780750657495</a> <a href="#fnref:5" class="footnote-back-ref">↩</a></p></li> <li id="fn:6"><p>"What color is teal? What colors go with teal?". Painting and Decorating Concourse. Paint color. 2013-05-22. Archived from the original on 2013-05-22. Retrieved 2018-07-12. <a href="https://web.archive.org/web/20130522202659/http://www.paintinganddecoratingconcourse.com/Paint-Color/Teal-Paint-Color.html" target="_blank">https://web.archive.org/web/20130522202659/http://www.paintinganddecoratingconcourse.com/Paint-Color/Teal-Paint-Color.html</a> <a href="#fnref:6" class="footnote-back-ref">↩</a></p></li> <li id="fn:7"><p>"Laughing in the purple rain". ESPN.com. Uni Watch's Friday Flashback. 29 April 2016. Retrieved 2017-01-02. <a href="http://www.espn.com/Columnists/story/_/id/15425976/uni-watch-friday-flashback-sports-world-obsession-purple-teal" target="_blank">http://www.espn.com/Columnists/story/_/id/15425976/uni-watch-friday-flashback-sports-world-obsession-purple-teal</a> <a href="#fnref:7" class="footnote-back-ref">↩</a></p></li> <li id="fn:8"><p>"A closer look at the uniforms and logos of the 90s". TheScore.com. 14 July 2014. Retrieved 2017-01-02. <a href="https://www.thescore.com/nba/news/537646-a-closer-look-at-the-uniforms-and-logos-of-the-90s" target="_blank">https://www.thescore.com/nba/news/537646-a-closer-look-at-the-uniforms-and-logos-of-the-90s</a> <a href="#fnref:8" class="footnote-back-ref">↩</a></p></li> <li id="fn:9"><p>Magaloni, Diana (2014). The Colors of the New World: Artists, Materials, and the Creation of the Florentine Codex. Los Angeles: The Getty Research Institute. p. 43. ISBN 978-1606063293. <a href="978-1606063293" target="_blank">978-1606063293</a> <a href="#fnref:9" class="footnote-back-ref">↩</a></p></li> </ol>