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The laws of contrast of colour ⠃⠗⠋ braille edition

Grade 1 — uncontracted, letter-for-letter. Translated on this server by our own braille engine (BRF — Braille Ready Format, Library of Congress fdd000551). View Grade 2 instead.

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433,746 braille cells · 454 embossed pages at 40×25 · 817 unrepresentable characters omitted

⠀⠞⠓⠑⠀⠠⠇⠁⠺⠀⠕⠋⠀⠠⠉⠕⠝⠞⠗⠁⠎⠞⠀⠞⠕⠀⠞⠓⠑⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠠⠓⠽⠏⠕⠞⠓⠑⠎⠊⠎⠀⠞⠓⠁⠞⠀⠠⠗⠑⠙⠂⠀⠠⠽⠑⠇⠇⠕⠺⠂⠀⠁⠝⠙⠀
⠠⠃⠇⠥⠑⠀⠁⠗⠑⠀⠞⠓⠑⠀⠕⠝⠇⠽⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠠⠏⠗⠊⠍⠁⠗⠽⠀
⠠⠉⠕⠇⠕⠥⠗⠎⠆⠀⠁⠝⠙⠀⠞⠓⠁⠞⠀⠠⠕⠗⠁⠝⠛⠑⠂⠀⠠⠛⠗⠑⠑⠝⠂⠀
⠠⠊⠝⠙⠊⠛⠕⠂⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠁⠝⠙⠀⠠⠧⠊⠕⠇⠑⠞⠀⠁⠗⠑⠀
⠠⠎⠑⠉⠕⠝⠙⠁⠗⠽⠀⠕⠗⠀⠠⠉⠕⠍⠏⠕⠎⠊⠞⠑⠀⠠⠉⠕⠇⠕⠥⠗⠎⠲⠀⠀⠀⠀
⠼⠛⠋⠲⠀⠠⠞⠓⠑⠀⠑⠭⠏⠑⠗⠊⠍⠑⠝⠞⠎⠀⠞⠕⠀⠺⠓⠊⠉⠓⠀⠠⠊⠀⠓⠁⠧⠑⠀
⠚⠥⠎⠞⠀⠁⠏⠏⠇⠊⠑⠙⠀⠞⠓⠑⠀⠏⠗⠊⠝⠉⠊⠏⠇⠑⠀⠕⠋⠀⠀⠞⠓⠑⠀
⠍⠕⠙⠊⠋⠊⠉⠁⠞⠊⠕⠝⠀⠺⠓⠊⠉⠓⠀⠉⠕⠇⠕⠥⠗⠎⠀⠥⠝⠙⠑⠗⠛⠕⠀⠃⠽⠀
⠚⠥⠭⠞⠁⠏⠕⠎⠊⠞⠊⠕⠝⠂⠀⠁⠝⠙⠀⠞⠓⠑⠀⠀⠑⠭⠏⠇⠁⠝⠁⠞⠊⠕⠝⠀
⠉⠕⠝⠎⠑⠟⠥⠑⠝⠞⠀⠥⠏⠕⠝⠀⠞⠓⠑⠀⠍⠁⠝⠝⠑⠗⠀⠊⠝⠀⠺⠓⠊⠉⠓⠀
⠺⠓⠊⠞⠑⠀⠇⠊⠛⠓⠞⠀⠓⠁⠎⠀⠃⠑⠑⠝⠀⠀⠉⠕⠝⠎⠊⠙⠑⠗⠑⠙⠂⠀⠁⠗⠑⠀
⠁⠇⠎⠕⠀⠉⠇⠑⠁⠗⠇⠽⠀⠑⠭⠏⠇⠁⠊⠝⠑⠙⠀⠊⠝⠀⠞⠓⠑⠀⠇⠁⠝⠛⠥⠁⠛⠑⠀
⠕⠋⠀⠏⠁⠊⠝⠞⠑⠗⠎⠀⠀⠁⠝⠙⠀⠙⠽⠑⠗⠎⠂⠀⠺⠓⠕⠀⠁⠙⠍⠊⠞⠀⠕⠋⠀
⠕⠝⠇⠽⠀⠞⠓⠗⠑⠑⠀⠏⠗⠊⠍⠁⠗⠽⠀⠉⠕⠇⠕⠥⠗⠎⠤⠤⠗⠑⠙⠂⠀⠽⠑⠇⠇⠕⠺⠂
⠀⠁⠝⠙⠀⠀⠃⠇⠥⠑⠲⠀⠠⠁⠎⠀⠞⠓⠑⠗⠑⠀⠁⠗⠑⠀⠏⠑⠗⠎⠕⠝⠎⠀⠺⠓⠕⠂⠀
⠺⠓⠊⠇⠑⠀⠞⠓⠑⠽⠀⠓⠕⠇⠙⠀⠞⠓⠊⠎⠀⠕⠏⠊⠝⠊⠕⠝⠂⠀⠙⠑⠎⠊⠗⠑⠂⠀⠀
⠝⠕⠞⠺⠊⠞⠓⠎⠞⠁⠝⠙⠊⠝⠛⠂⠀⠞⠕⠀⠛⠊⠧⠑⠀⠁⠀⠗⠑⠁⠎⠕⠝⠀⠋⠕⠗⠀
⠞⠓⠑⠀⠏⠓⠑⠝⠕⠍⠑⠝⠁⠀⠗⠑⠎⠥⠇⠞⠊⠝⠛⠀⠋⠗⠕⠍⠀⠞⠓⠑⠀⠀
⠚⠥⠭⠞⠁⠏⠕⠎⠊⠞⠊⠕⠝⠀⠕⠋⠀⠉⠕⠇⠕⠥⠗⠎⠂⠀⠠⠊⠀⠺⠊⠇⠇⠀
⠑⠭⠏⠇⠁⠊⠝⠀⠞⠓⠑⠍⠀⠊⠝⠀⠁⠉⠉⠕⠗⠙⠁⠝⠉⠑⠀⠺⠊⠞⠓⠀⠞⠓⠊⠎⠀⠀
⠇⠁⠝⠛⠥⠁⠛⠑⠆⠀⠁⠝⠙⠂⠀⠋⠕⠗⠀⠛⠗⠑⠁⠞⠑⠗⠀⠉⠇⠑⠁⠗⠝⠑⠎⠎⠂⠀⠠⠊
⠀⠍⠁⠅⠑⠀⠋⠊⠧⠑⠀⠛⠗⠕⠥⠏⠎⠀⠕⠋⠀⠚⠥⠭⠞⠁⠏⠕⠎⠑⠙⠀⠀
⠉⠕⠇⠕⠥⠗⠎⠂⠀⠃⠑⠛⠊⠝⠝⠊⠝⠛⠀⠺⠊⠞⠓⠀⠞⠓⠕⠎⠑⠀⠺⠓⠊⠉⠓⠀
⠊⠝⠉⠇⠥⠙⠑⠀⠞⠓⠑⠀⠕⠃⠎⠑⠗⠧⠁⠞⠊⠕⠝⠎⠀⠞⠕⠀⠺⠓⠊⠉⠓⠀⠀⠞⠓⠑⠀

These are the same pages the .brf download embosses — form-feed breaks and all. BRF opens in braille software (Duxbury, BrailleBlaster), on embossers, and on refreshable displays.