From the course: Exploring Photography: Shooting in Raw Mode
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Understanding the primary colors of light
From the course: Exploring Photography: Shooting in Raw Mode
Understanding the primary colors of light
- In high school biology class, you might have learned that the light sensitive part of the back of your eye, the retina, contains rods and cones. Rods are very sensitive to brightness and only register black and white, while cones can see color. You might also have learned that your eyes have far more rods than cones, that your cones are all packed together into a tiny area in the center of the retina called the fovea, and that your color vision shuts off in low light. What you might not have learned is that there are three different types of cones. One sensitive to red light, another to green, and a third to blue. Red, green, and blue are the primary colors of light. You can mix those three colors together to create every other color. If you spend much time working with digital photography or computer graphics or even just hooking up certain types of computer monitors and TVs, then you should recognize these three colors. Red, green, and blue, RGB. That's an acronym you've probably…
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