Colour can be determined in a laboratory but can be seen in the vineyard by crushing a berry and rubbing the skin to see if the colour is released.
Muvhala unga vhoniwa laboratory fhedzi uya kona u vhonala na kha muṱokola nga u vula nḓirivhe wa ḓodza lukanda wa kona u vhona nuri lukanda lu khou sala naa.