In fact if he is to play a language game the possibility of this will depend upon his own & the other people's reactions. For The game depends upon the agreement of these reactions i.e. they must call || describe the same things ‘red’.
“But if he speaks to himself surely this is different. For then he needn't consult other people's reactions & he just gives the name ‘red’ now to the same colour as that || to which he called

gave it on a previous occasion. || on previous occasions. || in previous cases. But how does he know that it is the same colour. Does he also recognize the sameness of colour as what he used to call sameness of colour & so on ad inf.? It is quite true he uses || connects, in agreement with ordinary use, the word ‘red’ & the same colour such that he would not say that he saw now the colour he had seen before that that colour is red but that what he sees now is not red etc.
It is quite true, he connects the word & the experience.

(2015–) Wittgenstein Source Bergen Nachlass Edition (WS-BNE). Edited by the Wittgenstein Archives at the University of Bergen under the direction of Alois Pichler. In: Wittgenstein Source, curated by Alois Pichler (2009–) and Joseph Wang-Kathrein (2020–). (N) Bergen: WAB.