Re'Kha squinted, but no matter what she did, she was unable to see what was written on the token. Normally, when she used her Wind Qi perception, even if it wasn't detailed, she was still able to make out the colour of the material.
But, that was because she was comparing the concentration of grey sand to the colours she had witnessed when she had her sight, determining based on her experience. Moreover, the colour difference could be determined because every object had a texture of its own.
This texture caused the molecules of wind to interact differently with it, which in turn was reflected in her Wind Qi perception. That was why she was able to determine the colour of her dress. It was made from silk with a unique texture of its own.
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