SCRGB is like a special way of showing colors on a TV or computer screen. Imagine you have a box of crayons and you want to draw a picture. There are so many colors to choose from! But sometimes, when you put the crayons on the paper, the colors don't look exactly how they should. They might be too bright, or not bright enough.
Well, the people who make TVs and computer screens have the same problem! They need a way to make sure that the colors on the screen look the same as the colors in real life. That's why they use something called SCRGB.
SCRGB is like a secret code that tells the TV or computer how to show colors. It uses a special formula to create colors that look just like the real thing. That way, when you're watching a movie or playing a game on your screen, the colors will look just as bright and vibrant as they do in real life.
It's kind of like a color cookbook that the TV or computer can read. When you watch a video on YouTube or play a game on your computer, the colors you see are made using the SCRGB formula. And just like a good cookbook, the people who make TVs and computer screens are always trying to improve the SCRGB formula, so that the colors look even better!