Tsvuku (ku Chingezi: red) kana dzvuku ruvara pane iyo yakareba wavelength kumagumo kwechiedza, padhuze neranjisi uye yakatarisana nevhiore. Zvinhu zvine ruvara tsvuku zvinosanganisa ropa, mastrawberry, marozi nemhiripiri, uye semamwe mavara ruvara tsvuku runoonekwa panguva yekuvira kwezuva. Jira reRetso rinemucheka une mavara matatu, nhema, tsvuku nechena. Jira iri rakakosha zvikuru kuvanhu vechiShona sezvo rakarukwa mukati menhoroondo yavo. Mucheka uyu unozivikanwa zvisizvo semucheka weMidzimu yemhuri (Vadzimu), zvisinei hazvo iwo mucheka ndewe Shavi rinodanwa muChishona seShavi rekuvhima, kana Hombarume (kana Spirit of the Hunter). Jira reretso rinogona kutengwa munhu wese wese, haudise kuva neShavi kuti ukwanise kutenga jira reretso kana kuripfeka. Pamusoro pezvo, mutsika dzanhasi jira reretso rinogona kutengwa nekupfekwa nechero nhengo ye Vashona. Rinopfekwa munzira dzakawanda, semabhandana, madhuku, uye inogona kushandiswa kugadzira masiketi, marokwe, mudhebhe nehembe uye nezvimwewo. Ruvara rutsvuku runowanikwawo paMureza yeZimbabwe apo inoshandiswa kumiririra ropa revakashaya, ndiro ropa rakadeurwa neavo munguva yehondo dzeChimurenga. Kune rukudzo paruvara rutsvuku, raishandiswawo seruvara rwekungwarira mune tsika zhinji, mumigwagwa umo pamarobhotsi tsvuku ruvara rwekuti umire pamharadzano.