Cov thawj xim ntawm lub teeb yuav muab sib xyaw rau hauv ib qho kev faib ua feem ntau muab ntau yam xim. Raws li kev tshawb nrhiav, peb lub ntsiab xim yog liab, ntsuab thiab xiav (Nws zoo li xim liab, ntsuab, xiav xim ntawm cov xim). Qhov screen ntawm cov xim TV yog tsim los ntawm cov me me ntawm liab, ntsuab thiab xiav. Cov xim muaj sib xyaw hauv cov khoom sib txawv thiab cov xim muaj zog thiab tsis muaj zog, uas muaj peev xwm ua tau ntau yam xim hloov hauv qhov. Pigments thiab lwm yam khoom tsis muaj luminous cov duab xim yog magenta (sib npaug liab liab, liab dawb), ntsuab (sib sib zog nqus xiav, xiav), daj) (sib npaug rau txiv qaub daj). Xaiv los ntawm cov kws tshuaj British Fraser Bo West (1781 - 1868), ntau hom xim sib xyaw tau los ntawm cov thawj xim, tab sis dub tsis tau sib tov. Vim li no, nyob rau hauv cov xim luam ntawv, ntxiv rau siv peb hom xim, xav tau ntxiv dub, kom tau sib sib zog nqus xim.
