ripen    kwēra
(become yellow or reddish) kubēnja
(for certain fruites, esp. bananas) gusha
(of fruits) kurunguriza
En-En dictionary 
gusha (-hīye)     v    1. to cook (vi), to burn (vi), 2. to ripen (for certain fruits, esp. bananas)
kurunguriza (-rungurije)     v    to ripen (of fruits)
kubēnja (-bēnje)     v    1. to ripen, 2. become yellow or reddish
kwēra (-ēze)     v    1. to be white, 2. to be pure, 3. to be innocent, 4. to ripen, 5. to get the first teeth
colour    irāngi
(black) umukata, umufyiri, agafyīri,
(very) umuvyiro
(black mud) urushānga
(blue) ubururu
(brown) ibihogo
(brown, light) akagājo, umuyēnzi
(brownish black cow) ikirāyi
(gray) -vivi, agahīza, akavūzo, uruvūzo
(green) akātsi gatoto
(orange) umutugutu
(red, like mud) agahama
(tan hair, of goats) umufūmbere
(very white) derere
(yellow) umuhōndo, umutugutu
(yellow, dark) ibihogo
(yellow, light, reddish) umugina
(to be black) kwīrabura
(to be white) kwēra
(to become yellow or reddish, in ripening) kubēnja
(to colour) kuraba
(to ~ in) gusiga amabara
(to change ~, fade) kubēnjūka, kubēngūka
En-En dictionary