Kalmar "launi na duniya" yawanci tana nufin nau'ikan launuka masu kama da launuka na halitta da ake samu a cikin ƙasa, duwatsu, da ma'adanai. Waɗannan launuka sukan haɗa da inuwar launin ruwan kasa, tan, beige, da launin toka. Kalmar "launi ta duniya" wani lokaci ana amfani da ita don kwatanta launukan da aka yi amfani da su a cikin fasaha ko ƙira waɗanda aka yi wahayi zuwa gare su daga yanayi, musamman ma lokacin da aka ƙirƙira ƙaya ko ƙaya.