Additive and Subtractive Color with Ray Diagrams, Chapter 16 Review

[@sonyduck8663]

the most perfect video on this topic with great examples. Watching for my remote sensing class. Thank you so much

[@m.nasheet2891]

Ive been trying to understand for this 1 hour n u did it for me in 12 mins, great explanation!!

[@VideoLex]

dcaulf, your explanatory style is refreshingly (astonishingly, in fact) CLEAR. There will be thousands out there who will wish that you had been their teacher.

[@georgecurly5965]

The best explanation of additive/subtractive color/pigment mixing I've come across so far.

[@Kiara-nk1wd]

I have an exam in 3 days and you just saved me! Thanks :)

[@protyushdas8237]

Great video. Slow and steady progress. Very friendly approach. Thank you sir.

[@logankruse7609]

looking at this from a painter's perspective especially one who paints miniatures to try and mimic real-life lighting this is extremely useful and eye opening!

[@Henrycrun1959]

Primary color "guns" of television picture tube are red, blue and green. My art teacher always argued about primary colors and color mixing. It's all very interesting. Nice video

[@feliperibeirosilva900]

you sir are one of the few people here on youtube that know what you are talking about

[@BillPorter1456]

One of the clearest explanations of additive and subtractive color mixing I've ever encountered. BTW, I'm pretty sure that the average I.Q. of those who clicked on "dislike" is below 100.

[@TylerSimonds]

I still want to know why red, blue, and YELLOW are the primary colors most of us learn about in grade school, when red, blue, and green are the primary additive colors. It isn’t like cyan, magenta, and yellow match up with this. How do we get orange for example? So curious

[@BillPorter1456]

@@TylerSimonds Sorry, but I don't have a good answer for you.

[@LuXTerful]

very good! was struggling to understand this for years. finally got it!

[@evelineroelandts240]

Amazing explanation, very clear, thank you!

[@marxman1010]

In fact, CMY is just another model like RGB, just colors chosen as the base colors of pigments. The subtractive model means absorption of light comparing to the light itself. So it is improper to say CMY is subtractive model. RGB can also be explained in subtractive way. For example Red absorbs Green and Blue. But light can't be explained in subtractive way. Therefore, color of light depends on additive model, and color of pigments depends on subtractive model.

[@FernandoGarcia-hc9mn]

But why green plus red gives yellow if yellow has a different wave length than red and green?

[@dianamatlocksadventuresina9263]

I’m an educator by day and an artist on the side. I used to teach my 6th graders a unit on light and pigment. I’d tape diffraction grating to the output lens of my overhead projector and create a narrow “beam” with paper or books (anything opaque) on the platform to project the spectrum. We’d pass things through the spectrum (or just walk through it) and observe. Had KZbin been around, your video would have been a great resource and home reference (and a different voice). With your permission, I would like to share this on my art page, please.

[@VideoLex]

Very clear. Excellent teaching.

[@alecbrenner9639]

What would result from mixing yellow and blue pigments? A quiz from an online class says green light will show, but if we start with blue, green, and red light, and the blue light is removed from the yellow pigment, and the green and red lights are removed from the blue pigment, would that not create black?

[@simperingham]

Pay attention to which pigments you are using (especially the blue). If the blue is halfway to cyan, you’ll get a dark green, not a “true” green.

[@tagnenjosephs3124]

Is it true that the primary subtractive colours are CMY or Blue, Yellow, Red? Why are they different?

[@simperingham]

You can construct any colour system you want in art, but the one that is most useful to us is RGB or CMY (notice that they are just opposites of the same thing). If you mix all three CMY paints (or inks, dyes, playdohs) together you get black, or at least a dark *neutral* grey. If you mix R, Y, B, you get a brown-ish colour. Neither is “wrong”, but one is much more useful.

[@tagnenjosephs3124]

@@simperingham thanks for the knowledge!

[@Narsuitus]

How do your color diagrams and ray diagrams work when you add infrared to the colors, replace the human eye with a photographic sensor, and place an infrared filter between the light source and the sensor?

[@polinasonntag2790]

Hello, how we see grey? How light reflecting or refracting so that we see grey????

[@adityarajan7420]

hey there.. great lesson but I dint understand the role of a pigment entirely. Wat do you mean by"it removes colour"?

[@Guy-dv9xw]

Say you have a white piece of paper, the paper reflects all colour so it is white. If you add red paint then the paint absorbs (removes) all other colours EXEPT red which is reflected. Hope this helps

[@AmelieetAmelia]

nice video, super clear. I understood why we say ''subtractive'' even though we ''add'' color one to another. It is ''subtractive'' in terms of light, not pigment....

[@b.lonewolf417]

Dude, you're freakin' incredible! :-D

[@botersaus7244]

I used the information in your video for an experiment I working on about color filters, and it helped a lot! Do you have any sources for this information that I could use in my report?

[@productidentity-designserv896]

This is great for my A2HE thanks!

[@ocivdelos2335]

This video is underrated.

[@alexanderglass8256]

Great video! Really clear. Thanks!

[@allnglnntsnmla]

This is amazing. Helped me alot

[@rusianalf]

this reminds me of that dress phenomenon that people were arguing about few months back. so with that dress example, when you combine 2 colors, do people perceive it differently?

[@silkwesir1444]

yes, it is related to this, but a little more complicated. when you are taking photos, there is something called white balance. to put it simply, it's a feature that is supposed to correct the colors in the picture according to the light, like explained in the video with the street lamp example. Our brain does this too, and in the case of the picture with the dress, there are very few hints about the lighting situation in that picture, so the brain basically has to guess what it is, and for some people it guesses one way, for others it guesses the other way.

[@Theohybrid]

Hey, gotta ask. Saw Echo Gillette's rant on color so...is it legit?

[@Decrave]

For paint, yes, magenta, yellow and cyan are primary PIGMENTS not colors, the primary colors are red, green, and blue

[@abhilashrawat5547]

Oppo

[@coach-confiance]

Hello,related to skin colors and their interaction with the color around your skyn (clothing), based on primary CMYk..;sustractive ..how you explain when the .yellow-under tone Asian looks darkens with blue?, that could be because yellow light is absorbe the blue one?, congratulate you on the simplicity and clarity of your conferences

[@deborahmelo7993]

Really great explanation

[@anajuliaglz1485]

i appreciate your work!!!!

[@MonkeySpecs301]

If mixing paint is subtractive, why painting use RGB and not CYM as primary colors instead that’s used in printers?

[@the_linguist_ll]

Well both RGB and RYB models are used in art all the time, digital and on paper. RGB is more common with digital art, and RYB is more common with paper art given that they’re additive and subtractive mediums respectively. RYB is used more in art than CYM because they’re close enough to CYM, and easier to obtain pigments of.

[@potatoismistheanswer.5137]

finally i understand it, thank you very much..♥

[@PiGuy06]

So... Yellow street light plus Blue shirt equals blak? ⚫️

[@geograficosofc]

But why the purple is blue?

[@eldicamiller5546]

What are the tertiary colors of light?

[@Avisponnn]

The same as CMY, orange, lime, teal, azure, purple, and fushia

[@tinalineage92]

Excellent explanation! thanks!

[@SuperLedge86]

Great Video extremely well explained thank you

[@Aditya-dw4kz]

thank you, now I understand this

[@Jaganmohan29]

excellent explanation cause i finally got it thank you

[@CAM-tj6lv]

I could make a boss battle out of this, where on the Right side is 3 bright diamonds that brighten to make the Additive colors, and on the Left side is 3 dark diamonds that darken to make the subtractive colors.

[@jontz888]

fantastic..thank you doc

[@annatchania2905]

this is insane!!! omg

[@fikaduzawdie3677]

MashA Allah ماشاء الله

[@kingpetra6886]

The additive process is more familiar to people in every day iife.

[@Sahil-vv9op]

yellow is primary color and green is secondary mixing of yellow and blue get green

[@FalkFlak]

so in this concept, mixing blue paint (doesn't allow green and red) with yellow paint (doesn't allow blue) would result in black. While in real life it actually makes green.

[@heynando]

perfect. thank you

[@gakyakin]

When i mix green and red with real paint then why that be brown . not yellow :v

[@Dhevdhaasx]

Because when you mix colours what you do is changing the quality of the surface. then these principles of light do not apply there.

[@kentkeatha6728]

Thanks

[@ayeshasultana2395]

Thanks bro

[@renedecastro3729]

Now we only need to use 1 shade of light color to see ghost.

[@michelleguan1189]

thankkks

[@djla05172007]

nice!!!

[@gakyakin]

Cool

[@minhle3795]

I wear a blue shirt under a yellow street lamp and i still see blue

[@mrdraw2087]

Then probably the yellow light is yellow-white (red and green with some blue light).

[@SirLongCheng]

11:14 "blak"

[@lri828]

hello

[@indigosunset70]

madness. the primaries are secondary and the secondaries are primary. my brain hurts.

[@indigosunset70]

easiest way to understand this, is this way. sun emits green, orange, purple, which are the real primary colors. and you, the painter, cant emit light, you can only play with pigments and you notice you cannot create yellow, blue, and red by mixing two colors together. you can only create the true primary colors of green, orange and purple by mixing the secondary colors of yellow blue and red which you mistakingly call primary or more important, only because you cant create them. as for white and black, dont ask. shhhhhhhhhhhh

[@madLphnt]

Yellow blue and red are called primaries when refering to paint and pigments not when your talking about light

[@pennybordelon707]

Sorry, sounded great but I still don’t quite understand the theory. I know it’s all me. Thanks for trying anyway lol.

[@vikasCchoudhary]

6:43 thank me laterr

[@iamwangine8752]

Realy? That's it ? Ts to short

[@JAT.860]

10 year old 🙄

[@mynameismiyya]

Wow this info is completely wrong. Red, yellow, and blue are primary colors. Green, orange, and purple are secondary colors. Magenta is a combo of red and purple. Cyan is a combo of blue and green. White is subtractive and you'll know when you add white color to any color, it gets lighter. Black is additive. As you've shown, you can extract red from purple by adding yellow (a color with a spectrum closest to white). Your info is wrong