Haddii aad waligaa isticmaashay kombayutarka ciyaaraha, TV-ga, ama kamarada, suurtogal maaha inaadan la kulmin ereyga RGB . Ma rabtaa inaad ogaato waxa RGB u taagan yahay, waxa loo isticmaalo, ama sababta aad marar badan uga maqasho RGB marka kombayutarada, agabka, ama bandhigyadu ku lug leeyihiin? Waxaan halkaan u joognaa inaan tan oo dhan ka dhigno mid cad si, haddii aad rabto inaad ogaato waxa RGB yahay, kuwaas oo ah siyaabaha ugu badan ee loo isticmaalo, iyo sababta, akhri maqaalkan:

Maxay u taagan tahay RGB?

RGB waa erey la soo gaabiyey^{(RGB is an acronym for)} " Cagaaran Buluugga ah^{(Green Blue)} ," iyo, sida aad qiyaastay, waxay tilmaamaysaa midabada iyo sida midabada loo sameeyay. Waa maxay sababta casaan, cagaar, iyo buluug, laga yaabaa inaad weydiiso? Jawaabtu waa casaanka, cagaarka iyo buluuga waa midabada asaasiga ah ee aad ku dari karto xaddi kala duwan si aad u hesho midab kasta oo kale oo^{(red, green, and blue are the primary colors that you can combine in various amounts to obtain any other color)} ka mid ah spectrum muuqda ee isha bini'aadamka ah.

RGB waa nooc midab lagu daro. Si kale haddii loo dhigo, si aad u hesho midabyo kale, waxaad isku daraysaa midabada cas, cagaar, iyo buluugga aasaasiga ah. Haddii aad isku darto dhammaan saddexda midab ee maximum intensity (100%), you get white . Dhanka kale, haddii aad mix all of them at their minimum intensity (0%), you get black .

Si kale haddii loo dhigo, isku darka qaybo siman oo 100% casaan, cagaar iyo buluug ah, waxaad helaysaa iftiin, haddii aad isku darsato 0% casaan, cagaar iyo buluug, waxaad heleysaa mugdi.

RGB sidoo kale waxaa loo tixgelin karaa inay ka soo horjeedaan CMY , oo u taagan "Cyan Magenta Yellow." Maxaa ka soo horjeeda? Sababtoo ah CMY sida qaabka midabka, waa lidka RGB : isku darka cyan, magenta, iyo jaalaha 100% xoojinta ugu badan waxay ku siinaysaa madow, halka 0% xoojinta ugu yar ay ku siinayso caddaan.

Siyaabaha loo isticmaalo RGB

Ugu horreyntii, qaabka midabka RGB waxaa loo isticmaalaa qalabka isticmaala midabka^{(RGB color model is used in devices that use color)} . Sababtoo^(Due) ah xaqiiqda ah inay tahay nooc midab wax lagu daro ah oo soo saara midabyo khafiif ah marka saddexda midab ee isku dhafan ee aasaasiga ah (casaan, cagaar, buluug) ay aad u buuxaan, RGB waxay ku habboon tahay soo bandhigida sawirka. Si kale haddii loo dhigo, qaabka midabka RGB wuxuu ku habboon yahay shaashadaha iftiimaya, sida TV-yada, bandhigyada kombuyuutarrada, muraayadaha laptop-ka, casriga iyo muraayadaha tablet-ka^{(the RGB color model is best suited for illuminated screens, such as TVs, computer displays, laptop displays, smartphone and tablet screens)} .

Marka la barbardhigo, CMYK , oo u taagan "Cyan Magenta Yellow Key (Black)" oo ka soo jeeda CMY , waa nooc midab leh, taasoo la micno ah in midabkeedu uu ka muuqdo halkii uu iftiimin lahaa, waxaana loo isticmaalaa inta badan daabacaadda. Taasi waa sababta, marka aad saxdo daabacaha, aad la shaqeyso booska midabka ee CMY halka, marka aad cabbirayso bandhigga kombuyuutarka, aad la shaqeyso RGB .

Marka laga reebo TV-yada^(TVs) iyo bandhigyada kale ee elegtarooniga ah, qaabka midabka RGB waxa kale oo loo adeegsadaa ^(RGB)aaladaha kale ee ku shaqeeya midabada iftiimaya, sida sawiro iyo kamarado fiidiyoow ah, ama sawir-qaadayaal^{(devices that work with illuminated colors, such as photo and video cameras, or scanners)} .

Tusaale ahaan, muraayadaha LCD^(LCD) waxay ka samaysan yihiin pixels badan oo ka samaysan dusha sare. Mid kasta oo ka mid ah pixels-yadaas waxaa badanaa laga sameeyaa saddex ilo iftiin oo kala duwan, mid walbana wuxuu noqon karaa casaan, cagaar ama buluug. Haddii aad si dhow u eegto muraayadda LCD^(LCD) , adigoo isticmaalaya muraayad weyn, waxaad arki kartaa ilahan yaryar ee iftiinka ah ee sameeya pixels. Si kastaba ha ahaatee, markaad u eegayso sida qofka caadiga ah, iyada oo aan lahayn muraayad weyn, waxaad arkaysaa oo kaliya midabada ay soo saaraan ilaha iftiinka yar ee pixels. Marka la isku daro casaan, cagaar, iyo buluug, iyo hagaajinta iftiinkooda, pixels waxay samayn karaan midab kasta.

RGB sidoo kale waa nooca midabka loogu isticmaalka badan yahay software-ka. ^{(RGB is also the most widely used color model in software.)}Si loo awoodo in lagu qeexo midab gaar ah, qaabka midabka RGB waxaa lagu qeexay saddex lambar, mid kasta oo ka mid ah tirooyinka ayaa matalaya xoojinta midabada casaanka, cagaarka iyo buluugga. Si kastaba ha ahaatee, kala duwanaanshaha saddexda lambar way kala duwanaan karaan iyadoo ku xidhan tixraaca aad isticmaashid. Calaamadaha caadiga ah ee RGB^{(Standard RGB)} waxay isticmaali karaan saddex-geesoodka qiyamka laga bilaabo 0 ilaa 255, qaar waxay isticmaali karaan qiyamka xisaabta min 0.0 ilaa 1.0, qaarna waxay isticmaali karaan boqolkiiba 0% ilaa 100%.

Tusaale ahaan, haddii midabada RGB ay matalaan 8 bits midkiiba, waxay la macno tahay in kala duwanaanshaha midab kasta uu ka bixi karo 0 ilaa 255, 0 oo ah midabka ugu hooseeya iyo 255 ka ugu sarreeya. Isticmaalka nidaamka calaamadaynta, RGB (0, 0, 0) waxay ka dhigan tahay madow iyo RGB (255, 255, 255) waxay ka dhigan tahay caddaan. Sidoo kale, casaanka ugu saafiga ah wuxuu noqon doonaa RGB (255, 0, 0), cagaarka ugu saafiga ah wuxuu noqon doonaa RGB (0, 255, 0), buluuga saafiga ah wuxuu noqon doonaa RGB (0, 0, 255).

Maanu dooran tusaalahan si kadis ah: RGB inta badan waxaa lagu matalaa software 8-bit calaamadii kanaalka^{(RGB is often represented in software by an 8-bit per channel notation)} . Haddii aad la yaabban tahay sababta 255 ay u tahay qiimaha ugu sarreeya ee 8-bit, taasi waa sababta oo ah midab kasta oo ku jira waxaa u taagan 8 bits. Xoogaa wuxuu yeelan karaa laba qiime: 0 ama 1. Kor u qaad 2 (tirada qiyamka xoogaa) ilaa 8 (tirada loo qoondeeyay midab kasta) waxaadna helaysaa 256, oo ah tirada saxda ah ee tirada 0 to 255. Geeky , sax? 🙂

Si kastaba ha noqotee, tilmaamo kale ayaa sidoo kale loo adeegsadaa, sida 16-bit channel ama 24-bit tibaaxaha kanaalka^{(16-bit per channel or 24-bit per channel notations)} . Tusaale ahaan 16-bit, qiimaha kala duwan ee mid kasta oo ka mid ah midabada RGB waxay ka socotaa 0 ilaa 65535, halka 24-bit note, ay ka socdaan 0 ilaa 16777215. 24-bit qoraalka wuxuu daboolayaa 16 milyan oo midab, taas oo ah in ka badan dhammaan midabada u muuqda indhaha bini'aadamka, kuwaas oo kor u kaca ilaa 10 milyan^{(The 24-bit notation covers 16 million colors, which is more than all the colors that are visible to the human eye, which tops at about 10 million)} .

Ku soo dhawoow qaanso-roobaadka iftiinka RGB

Laga soo bilaabo software ilaa qalab, RGB waa dhammaatay, iyo mid ka mid ah siyaabaha ugu casrisan ee loo isticmaalo RGB adduunka casriga ah waa iftiinka RGB . Waxaan ka hadleynaa isticmaalka RGB LED^{(RGB LEDs)} -yada si aan u iftiimino ma aha oo kaliya muraayadahayaga, laakiin dhabarka kormeerayaashayada, TV-yada^(TVs) , qalabka ciyaaraha sida kiiboodhka iyo jiirarka, Motherboard-yada, kaararka garaafyada, kiisaska PC, qaboojiyaha processor, taageerayaasha, iyo xitaa kuraasta ciyaarta !

Iftiinka RGB^(RGB) wuxuu u riixay jidkiisa qalab aad u badan iyo xitaa alaab guri. Inkasta oo dadka qaarkiis ay u maleynayaan inay quruxsan tahay, qaar kalena waxay u maleynayaan inay fiican tahay. Haddi aad jeceshahay qaanso-roobaadyada ama aad door bidayso inaad wax walba ku shido hal midab, RGB ayaa kuu ogolaanaysa inaad samayso.

Laakiin sidee buu nalka RGB u shaqeeyaa? Jawaabtu way ka fudud tahay sidaad u malaynayso, waxayna dhammaan la xidhiidhaa waxa RGB loola jeedo: Casaan Cagaaran Buluugga ah^{(Red Green Blue)} . Asal ahaan, dhammaan aaladaha iftiinka RGB iyo qalabyada waxay leeyihiin xargaha ama xidhmooyinka ^(RGB)RGB LEDs . LED - ka RGB^{(RGB LED)} waa isku dhaf ah saddex LEDs oo kala midab duwan oo la isku daray: hal LED cas^{(Red LED)} , mid cagaaran^{(Green LED)} , iyo mid buluug^{(Blue LED)} ah .

Isha sawirka: Wikipedia

Marka la isku daro saddexda LEDs , isku darka xoojinta midabka iyo iftiinka, waxaad heli kartaa ku dhawaad ​​midab kasta oo aad rabto. Taasi waa, haddii aadan eegin LED^(LEDs) -yada aad u dhow.

Waxaa laga yaabaa in hirgelinta ugu fiican ee iftiinka RGB uu yahay midka aan ku aragno si sii kordheysa inta badan kombiyuutarada ciyaaraha. Mid ka mid ah waxyaalaha ugu fiican ee ku saabsan waa inaad isticmaali karto software si aad u habayn karto oo aad ula qabsato saamaynta iftiinka RGB ee kombiyuutarkaaga sida aad rabto. ^(RGB)Tusaalaha noocan oo kale ah waa ASUS ' Aura software, kaas oo kuu ogolaanaya inaad isku hagaajiso saamaynta iftiinka RGB oo aad leedahay saameyn gaar ah oo gudaha ah oo hagaajinaysa duulista iyadoo ku xiran ficilada ciyaartaada.

Si kastaba ha noqotee, mar haddii aad tagtay dariiqa RGB , waxaad u badan tahay inaad jeclaan doonto, iyada oo ay ugu wacan tahay qaddarka shakhsiyaynta ee aad hesho.

Ma qabtaa su'aalo kale oo ku saabsan RGB ?

Tani waxay ahayd kaliya sharaxaad kooban oo ku saabsan waxa RGB yahay iyo waxa loo isticmaalo. Waa maaddo adag oo leh teknooloojiyada iyo warshado badan, labadaba la xidhiidha hardware iyo software. Markaa, waxaanu hubnaa inaad hayso su'aalo dheeraad ah oo ku saabsan RGB , markaa, haddii aad samayso, ku weydii qaybta faallooyinka ee hoose waxaanan ballanqaadaynaa inaan ku dadaalno inaan ku caawinno inaad ogaato jawaabaha.

What is RGB? How is it used? What about RGB lighting?

If you have ever used a gаming computer, a TV, or a camera, it is impossible for you not to have met with the term RGB. Do you want to know what RGB stands fоr, what it's υsed for, or why you hear so often about RGB when computers, gadgets, or displays are іnvolvеd? We are here to make this аll a bit clearer so, іf you want to find oυt what RGB is, which are the most cоmmon waуs in which it is used, and whу, read this article:

What does RGB stand for?

RGB is an acronym for "Red Green Blue," and, as you have guessed, it refers to colors and how colors are composed. Why red, green, and blue, you might ask? The answer is that red, green, and blue are the primary colors that you can combine in various amounts to obtain any other color from the visible spectrum that the human eye can see.

RGB is an additive color model. In other words, to obtain other colors, you mix the primary red, green, and blue colors. If you mix all three colors at their maximum intensity (100%), you get white. On the other hand, if you mix all of them at their minimum intensity (0%), you get black.

In other words, mixing equal parts of 100% red, green, and blue, you get light, and if you mix 0% of red, green, and blue, you get darkness.

RGB can also be considered as the opposite of CMY, which stands for "Cyan Magenta Yellow." Why the opposite? Because CMY as a color model, is the antithesis of RGB: combining cyan, magenta, and yellow at 100% maximum intensity gives you black, while 0% minimum intensity gives you white.

Ways in which RGB is used

First of all, the RGB color model is used in devices that use color. Due to the fact that it is an additive color model that outputs lighter colors when the three primary mixed colors (red, green, blue) are more saturated, RGB is best suited for emissive image display. In other words, the RGB color model is best suited for illuminated screens, such as TVs, computer displays, laptop displays, smartphone and tablet screens.

In comparison, CMYK, which stands for "Cyan Magenta Yellow Key (Black)" and derives from CMY, is a reflective color model, meaning that its colors are reflected rather than illuminated, and is used mainly in print. That's why, when calibrating a printer, you work with the CMY color space while, when calibrating a computer display, you work with RGB.

Besides TVs and other electronic displays, the RGB color model is also used in other devices that work with illuminated colors, such as photo and video cameras, or scanners.

For example, LCD screens are made of many pixels that form their surface. Each of those pixels is usually made of three different light sources, and each of them can turn red, green, or blue. If you look closely at an LCD screen, using a magnifying glass, you can see these small light sources that form pixels. However, when you are looking at it like a normal person would, without a magnifying glass, you only see the colors emitted by those tiny light sources in the pixels. By combining red, green, and blue, and by adjusting their luminance, the pixels can make any color.

RGB is also the most widely used color model in software. To be able to specify a certain color, the RGB color model is described by three numbers, each of the numbers representing the intensity of red, green, and blue colors. However, the ranges of the three numbers can differ depending on what reference you use. Standard RGB notations can use triplets of values from 0 to 255, some can use arithmetic values from 0.0 to 1.0, and some can use percentage values from 0% to 100%.

For instance, if the RGB colors are represented by 8 bits each, it would mean that the range of each color can go from 0 to 255, 0 being the lowest intensity of a color and 255 the highest one. Using this notation system, RGB (0, 0, 0) would mean black and RGB (255, 255, 255) would mean white. Also, the purest red would be RGB (255, 0, 0), purest green would be RGB (0, 255, 0), and the purest blue would be RGB (0, 0, 255).

We did not choose this example by chance: RGB is often represented in software by an 8-bit per channel notation. If you're wondering why 255 is the maximum value in the 8-bit notation, that's because each color in it is represented by 8 bits. A bit can have two values: 0 or 1. Raise 2 (the number of values of a bit) to the power of 8 (the number of bits assigned for each color) and you get 256, which is the exact number of numbers from 0 to 255. Geeky, right? 🙂

However, other notations are also commonly used, such as 16-bit per channel or 24-bit per channel notations. In 16-bit for example, the range of values for each of the RGB colors goes from 0 to 65535, while in the 24-bit notation, they go from 0 to 16777215. The 24-bit notation covers 16 million colors, which is more than all the colors that are visible to the human eye, which tops at about 10 million.

Welcome to the rainbow of RGB lighting

From software to hardware, RGB is all over, and one of the most trendy ways of using RGB in the modern world is RGB lighting. We're talking about using RGB LEDs to light up not just our screens, but the backs of our monitors, TVs, gaming accessories such as keyboards and mice, motherboards, graphics cards, PC cases, processor coolers, fans, and even gaming chairs!

RGB lighting has pushed its way into a huge array of devices and even into some furniture. Although some people think it's pretty silly, others think that it's cool. Whether you like rainbows or prefer to light up everything in a single color, RGB lets you do it.

But how does RGB lighting work? The answer is simpler than you might think, and it all relates to what RGB means: Red Green Blue. Essentially, all RGB lit devices and fixtures have strips or bundles of RGB LEDs. An RGB LED is a mix of three differently colored LEDs put together: one Red LED, one Green LED, and one Blue LED.

Image source: Wikipedia

By combining the three LEDs, mixing their color intensity and luminance, you can obtain almost any color you want. That is, if you are not looking at the LEDs too close.

Maybe the best implementation of RGB lighting is the one we see increasingly more often in gaming computers. One of the best things about it is that you can use software to customize and adapt your computer's RGB lighting effects as you wish. Such an example is ASUS' Aura software, which lets you sync the RGB lighting effects and even have special in-game effects that adjust on-the-fly depending on the actions in your game.

Either way, once you have gone the RGB way, you'll probably love it, thanks to the amount of personalization you get.

Do you have other questions regarding RGB?

This was just a brief explanation of what RGB is and what it is used for. It is a complex subject with complex ramifications in many technologies and industries, both related to hardware and software. Thus, we are pretty sure that you might have some additional questions about RGB so, if you do, ask away in the comments section below and we promise to do our best to help you figure out the answers.

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