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Why do computers use RGB for colors, and not RBY?
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3,538,506 Views • Jul 13, 2021 • Click to toggle off description
Computer screens use red, green, and blue RGB as pixel colors, but why? They told us in kindergarten that RBY were the primary colors...

#shorts #design #compsci
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Views : 3,538,506
Genre: Science & Technology
Uploaded At Jul 13, 2021 ^^


warning: returnyoutubedislikes may not be accurate, this is just an estiment ehe :3
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97.48% of the users lieked the video!!
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User score: 96.22- Overwhelmingly Positive

RYD date created : 2022-04-09T18:14:39.50949Z
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1,885 Comments

Top Comments of this video!! :3

@Fireship

2 years ago

It's just a joke, your teachers would never lie to you! Subscribe if you like code!

3.1K |

@kaylenvee8150

2 years ago

Technically none of them are wrong, the tricolours are just for different things. Like with paint, you're dealing with pigments, and the primary colours for those are red, yellow and blue. For light, it's red, green and blue, and for printer ink, it's cyan, magenta and yellow. The primary colours are different for different circumstances and materials.

6K |

@Myne33

2 years ago

The Isaac Newton Apple story is honestly a bit more interesting than “he saw something fall, let’s invent gravity.” It goes that Newton was under the apple tree on a WINDY day, and when an apple fell, he observed that it moved sideways AS it fell, leading him to hypothesize that, if something fell “sideways” fast enough, that it could outpace the downward pulling force and start circling the planet forever.

2.4K |

@MAP233224

3 years ago

And also worth noting that in print, Cyan + Magenta = Blue, Cyan + Yellow = Green, Magenta + Yellow = Red. Vice versa for additive pixels. The primaries are the secondaries in the other system.

541 |

@thehien3731

3 years ago

I was once in a "last standing wins" competition where there was a question relating to primary colors. I got knocked out because I answered "red, green and blue".

1.7K |

@crinna

2 years ago

The reason why red, blue and yellow are introduced as the primary colors is that they are the primary colors of classical paint pallets. CMYK are pure primary colors but those colors were not achievable with pigments in classical painting. Both the cyan and magenta from CMYK were invented in the 1800s but color theory education precedes this.

18 |

@kandycan

3 years ago

In computer graphics we studied that there are 2 methods: 1. Additive (RGB) 2. Subtractive. (CMYK).
Additive methods are used for displays and CMY for printing colors on paper.

262 |

@GrumpyTy34er

2 years ago

Explained the difference between additive and subtractive light, which is the most important thing in this topic in my opinion. Good job

11 |

@macs797

3 years ago

This has been a doubt of mine for so long, thank you!

140 |

@fallen7225

2 years ago

I was taught in my 2d art class that it was red green blue. As a Computer technician, I have the right to trust only in RGB. RGB will save us all

77 |

@guilherme-freire

3 years ago

Whaaat? My school taught me colors as RBG, first time that I saw this RBY thing. ( I am brazilian btw )

145 |

@t-mag3004

1 year ago

One of my favourite things I remember doing back when my parents still owned one of those thick ass TVs was getting my eye so close to the screen I could actually SEE the individual stripes of red, green and blue. I found it stupidly satisfying to be able to see that all colours on the TV comes from just 3 colours.

4 |

@nitin-code-comedy

3 years ago

When your normal videos are 2 mins and shorts are 1 min long

11 |

@Axcyantol

1 year ago

Magenta, yellow, and cyan for pigments, red, green, and blue for light. Pigments subtract but light adds.

1 |

@jm.fantin

3 years ago

Been wondering about it countless times in the past few weeks. Eventually Fireship will start answering my existential questions as well I guess.

4 |

@SpiralPegasus

2 years ago

I had this doubt for years and years. Never thought it could be explained so easily. Thanks.

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@tennicktenstyl

3 years ago

Reason for Red, Blue and Yellow is Red and Blue look similar enough to Magenta and Cyan that no one cared if those were the correct hues. Kids don't often know what Magenta and Cyan are. Also Red and Blue are easier to find in paints.

16 |

@daschmitzi8403

11 months ago

Red blue and green are not the "peaks if the visible spectrum" but the peaks of the sensitivity of your cones (the cells which detect color)

1 |

@AbhishekThakur-wl1pl

3 years ago

I knew my whole childhood was a big lie.

86 |

@universal03punk

2 years ago

This is the most simple yet effective explanation of the ways we create color I’ve seen

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