I have a few ideas, but I wanna see what everyone else would come up with on this one.

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Everybody look at you 'cause you're sailing on a  FAILBOAT.

Blue, blue is the sound of dipping gently, of closing your eyes, of singing softly. Blue is a breeze, blue is the letter P.

Yellow is the elation you feel when you do something well. It is that feeling in your stomach, the way it drops when you remember something that makes you happy. It is a first--a first plum, a first love, a first kiss.

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all the days were a sun-drenched haze
while the salt spray crusted on the windowpanes...

reminds me of a scene in the movie Mask (no, not the one with jim carey). the protagonist teaches a blind girl to understand colour by handing her a warm pot - "this is red" and cool water "this is blue"... and so on. really beautiful scene.

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In the world we must seek, love is purged of the instinct for domination.
-- Bertrand Russel, Proposed Roads to Freedom

Then I would explain that it's like hearing, but with the fundamental difference that unlike how the perceived sound is nearly identical to that which is created at the source, general light is the source, and most materials around absorb certain wavelengths of light, and reflect others, and the reflected ones are like what we see.  It would be like having an assortment of frequencies bombard a wall, and only a few of those frequencies bounce off the wall and reach your ear; those frequencies would be characteristic of the wall's "colour".

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