Kani waa maqaal ku saabsan midabka casuuska. Casuus (; ) waa midab ka samaysan iskudhafka (iskudarka) labo midab oo kala casaan jaamud ah iyo buni. Marka laga fiiriyo muraayada (dhalada) Kumbuyuutarka, waxaa midabkan laga sameeyaa iskudarka buluuga iyo casaanka. Marka la iskudhex daro sadexda midab ee Casaanka, Cagaarka iyo Buluuga ayaa sameeya midabo badan kuwaasi oo ka mid yahay midabkan casuuska ah. Samayskaas dhexdiisa waxaa midabka casuuska laga helaa buluuga iyo casaanka dhexdooda. Sidoo kale waxaa midabkan lagu helaa marka la kala goynayo (jarayo) midabada ayadoo la isticmaalayo habka afka qalaad lagu yidhaahdo 'CMYK color model, taasi oo midabkani ka soo dhex baxo cagaar, huruuda iyo madoowga. Guud ahaan midabka casuuska ah waxaa markii ugu horeeysay laga dhex helay iskudar midabo badan uu samaynayay saynisyahan Faransiis haa sanadkii 1859kii. Muuqaalada Casuus Saddex -xagalka violet Saddex -xagalka violet Light and Color Color Webster's New World Dictionary of the American Language (1964) definition of magenta in Oxford dictionary (American English) (US) Christine E. Barnes (1 February 2011). C&T Publishing Inc. ISBN 9781607051664 http://books.google.com/books?id=23rNl2hwk3AC&pg=PA18#v=onepage&q=magenta%20red%20violet%20color%20theory&f=false. Soo qaatay 27 July 2014.