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Thread: Luxeon and Seoul P4 Colors by Bin code

  1. #1
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    Default Luxeon and Seoul P4 Colors by Bin code

    This is a repost from FX Sabers. Original thread:http://www.fx-sabers.com/forum/index.php?topic=18270.0

    He (Mort) is "still frustrated that I cannot incoporate luminance data (Brightness), perception of colour changes in linear relationship to luminance values, but the charts do give a good idea of the chrominance (colour, shade, hue)"


    EDIT: Wow, these pics are gigantic...I think we can wave the image size rule for these two though since they're so useful.

    __________________________________________________ ______________
    Hi there,

    I did some work on converting wavelength (nm) values to RGB, using a small program WavelengthToRGB http://miguelmoreno.net/sandbox/wavelengthtoRGB/

    I have recently got interested in the saber scene, and managed to be lucky enough to get hold on a Master Yoda Graflex IV. The cyan colour caused me a bit of confusion in the beginning, so I decided to investigate the bin labelling for each Luxeon category, and I wanted to find a way to interpret this on screen with RGB colour data.

    I took the min and max dominant (nm) value for each Luxeon bin, and took the halfway point between them to get my RGB values.

    Please see the attached image, which shows the Luxeons grouped in colour category and then within that by bin code.

    Obviously this is only concerning shade/hue, no intensity/luminosity has been taken into account... If someone knows how I could do this using the data from Lumileds and then in Photoshop, please let me know.

    Hope it helps some people, when looking for a certain shade, remember RGB conversion will never be 100% accurate, and as such, this is only a guide.

    Make sure your monitor is calibrated as best you can.



    ROYAL BLUE

    Bin Code Min (nm) Avg (nm) Max (nm) RGB on Avg
    3 440 443 445 0,15,255
    4 445 448 450 0,41,255
    5 450 453 455 0,66,255
    6 455 458 460 0,92,255
    7 460 463 465 0,117,255
    8 465 468 470 0,143,255

    BLUE

    Bin Code Min (nm) Avg (nm) Max (nm) RGB on Avg
    1 460 463 465 0,117,255
    2 465 468 470 0,143,255
    3 470 473 475 0,168,255
    4 475 478 480 0,194,255
    5 480 483 485 0,219,255
    6 485 488 490 0,245,255

    CYAN

    Bin Code Min (nm) Avg (nm) Max (nm) RGB on Avg
    1 490 493 495 0,255,217
    2 495 498 500 0,255,153
    3 500 503 505 0,255,89
    4 505 508 510 0,255,26
    5 510 513 515 11,255,0
    6 515 518 520 29,255,0

    GREEN

    Bin Code Min (nm) Avg (nm) Max (nm) RGB on Avg
    1 520 523 525 47,255,0
    2 525 528 530 66,255,0
    3 530 533 535 84,255,0
    4 535 538 540 102,255,0
    5 540 543 545 120,255,0
    6 545 548 550 138,255,0

    AMBER Luxeon K2, III

    Bin Code Min (nm) Avg (nm) Max (nm) RGB on Avg
    1 584.5 586 587 255,231,0
    2 587 588 589.5 255,224,0
    4 589.5 591 592 255,212,0
    6 592 593 594.5 255,204,0
    7 594.5 596 597 255,192,0

    RED/RED-ORANGE Luxeon K2, III

    Bin Code Min (nm) Avg (nm) Max (nm) RGB on Avg
    2 613.5 617 620.5 255,110,0
    4 620.5 626 631 255,75,0
    5 631 638 645 255,27,0

    here is a similar one for the Seoul P4 products, this bin information was taken from March 2008, so I believe it still applies.....



    BLUE

    Bin Code Min (nm) Avg (nm) Max (nm) RGB on Avg
    BB1 455 458 460 0,92,255
    BB2 460 463 465 0,117,255
    BB3 465 468 470 0,143,255
    BB4 470 473 475 0,168,255

    GREEN

    Bin Code Min (nm) Avg (nm) Max (nm) RGB on Avg
    GG1 520 523 525 47,255,0
    GG2 525 528 530 66,255,0
    GG3 530 533 535 84,255,0

    RED

    Bin Code Min (nm) Avg (nm) Max (nm) RGB on Avg
    RR1 618 622 625 255,90,0
    RR2 625 629 632 255,63,0
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  2. #2

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    This is most excellent, thank you good sir for bringing another valuable resource onto the forums! (Thanks also extended to this Mort character from FX Sabers)

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    Default

    That is some very useful information. It helps to see it in that format.

    Live long and...I mean May the force be with you. http://saberconcepts.50.forumer.com/index.php

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    Dang, Shoot, Wow!!

    This is MOST excellent.

    I didn't know seoul P4's had BIN numbers
    Got a Question? There's a thread for that...
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    Default

    Yikes those pics are huge!

    It's nice to see all of the colors on your screen at the same time:



    I took the liberty of saving this one in a smaller size. I hope the originator doesn't mind.
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    Default

    That does make it easier to see them all at once.

    Live long and...I mean May the force be with you. http://saberconcepts.50.forumer.com/index.php

  7. #7
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    Default

    Excellent post, very handy. It surely helps out a lot when selecting a lightsaber´s LED.

  8. #8

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    how do you read the bin number again isit the first munber on the left cuz if that is the case my lux 3 green is a bin1


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  9. #9

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    I wouldn't mind having one of those bin 2 red/orange LED's..be nice for a Golden Gate Bridge-inspired saber I've been wanting to do. About the right colour

  10. #10
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    Pretty awesome information... and... not to be Devil's Advocate...

    ...but...

    ...until anyone can order specific bins WITHOUT having to buy the whole gald-darn ROLL of LEDs (say 100, 500, 1000 at a time)... it's kind of still a bummer.

    Although I'm looking fwd to the day SOME company offers that! And hopefully, it's with an LED that is desirable.
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