Can you describe a colour you cannot see?
Colourblind individuals can describe colours based on accounts they have heard from others, so it is certainly possible to describe a colour you cannot see yourself.
<START_INST>Can you describe a colour you cannot see?<END_INST><START_CTX><END_CTX><START_A>Colourblind individuals can describe colours based on accounts they have heard from others, so it is certainly possible to describe a colour you cannot see yourself.<END_A>