6
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Given this sequence of letters:

 _, B, G, C, R, M, Y, _

What is the first and last letter?

hint 1

each letter represent a color

hint 2

C represents the color Cyan and M for Magenta

The answer is responded, but try to find the sequence behind it. Explain Why

the sequence is related a order of HTML Hex Color Codes.

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  • $\begingroup$ Hi I'm new here. I don't know if this is difficult, if yes, then I will give the hint :) $\endgroup$ – Christian May 11 '15 at 12:53
  • $\begingroup$ Hmm, no luck so far. Is it trivia related? I.e. do we need to know about a sport to answer it? $\endgroup$ – DaveBensonPhillips May 11 '15 at 13:01
  • $\begingroup$ no, its not about a sport $\endgroup$ – Christian May 11 '15 at 13:02
  • $\begingroup$ first is A right ? :) $\endgroup$ – user2408578 May 11 '15 at 13:06
  • $\begingroup$ @user2408578 no :( $\endgroup$ – Christian May 11 '15 at 13:07
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As HumphreyTheHater stated,

Black and White, or B and W, respectively

But why are these the proper letters?

Black = 0x000000
Blue = 0x0000FF
Green = 0x00FF00
Cyan = 0x00FFFF
Red = 0xFF0000
Magenta = 0xFF00FF
Yellow = 0xFFFF00
White = 0xFFFFFF

These colors follow the standard binary counting system, using 00 for 0 and FF for 1:
000
001
010
011
100
101
110
111

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  • $\begingroup$ correct answer :D $\endgroup$ – Christian May 11 '15 at 14:37
  • $\begingroup$ btw, this question was bad? beacuse I got 2 negative votes, it's my first question and I want know if there is something bad . $\endgroup$ – Christian May 11 '15 at 14:52
  • 1
    $\begingroup$ @Christian I would think the main reason would be because it was vague. You could have cryptically referenced the fact that they were web based colors. After seeing that and doing some pondering was when it clicked for me, but that's because I'm a developer and stare at values like this every day. $\endgroup$ – tfitzger May 11 '15 at 15:04
1
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B & W

representing

Black and white? Seems like the two obvious missing 'colours' from cyan, yellow, red, blue, green

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  • $\begingroup$ yes it's the answer, i give the second hint but it's didn't need $\endgroup$ – Christian May 11 '15 at 13:27
  • $\begingroup$ so how this sequence would be? B, B, G, C, R, M, Y, W ? B is already there but... $\endgroup$ – Mox Shah May 11 '15 at 13:28
  • $\begingroup$ @Humphreythehater but there is a sequence behind this, do you know? $\endgroup$ – Christian May 11 '15 at 13:30
  • $\begingroup$ @MokshShah B is repeated, but the answer is B, B, G, C, R, M, Y, W $\endgroup$ – Christian May 11 '15 at 13:31
  • $\begingroup$ @Christian Then what does that 2nd B represent ? $\endgroup$ – Mox Shah May 11 '15 at 13:34

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