Is there a way to calculate how far apart two colors are?

Discussion in 'General Science & Technology' started by A C Kerr, Jun 12, 2018.

  1. Michael 345 New year. PRESENT is 69 years old Valued Senior Member

    Mine is blue / green defective safe. When I first wanted to join the RAAF in Radio was told eyesight not good enough. Joined in medical

    Part of medical duties was doing Ishihara test for colour blindness. Since I fail the test I had to learn the book by heart to know who was passing or failing

    Time to get out 6 years later was retested and noted to be blue / green defective safe and allowed to change jobs to keep me in

    I could read the colour bands on resistors and multi colour telecommunications cables

    Yes. Relating mainly to names

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  3. gebobs Registered Member

    In textiles, objective measurements of color difference are as important as anything. The method for determining the difference is as I said. It's a distance magnitude in the three-dimensional color space between two points as calculated using the Pythagorean theorem.
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  5. DaveC426913 Valued Senior Member

    If two people are "far apart" in their views then that is a metaphor that evokes an abstract space in which views have relative locations. If it did not do this, the phrase "far apart" would be meaningless.

    If one doesn't want to suggest that things are being analyzed in an abstract volume, then one shouldn't invoke a spatial volume metaphor to describe it.
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  7. Write4U Valued Senior Member

    This may be of use;
  8. Hayden Registered Senior Member

    Probably yes. But may not be with these numbering system but may be with frequency of light of the given Colors.
  9. gamelord Registered Senior Member

    Convert them to HSV and then use modulo operations.

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