# How does someone with red-green colorblindness see yellow on a monitor/television?

I recently watched the video This Is Not Yellow explaining how red, green, and blue pixels can be used to create images of all other colors. Since yellow is created with red and green pixels, how is a person with red-green colorblindness (me, for instance) able to perceive yellow on a monitor?

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Normal people see color due to the bellow mentioned combination of red, green and blue:

But due to genetic factors, The graph Distorts:

Now,If consider the normal Color code for yellow:

Yellow = R(255) + G(255) + B(0)

Or in other words

Max. Red + Max. Green + no Blue = Yellow

That means even if you can see a little of Red and Green, you can still a little deeper or lighter shade of yellow.

So Summing it up in the images:

Normal

Red ColorBlind

Green ColorBlind

Blue ColorBlind

Source:

Coblis — Color Blindness Simulator

A quick introduction to colorblindness

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What is the effect of having mutated green cones? Are they non-functional, of reduced sensitivity, or something else? – Mark H Jul 15 '14 at 10:50
@MarkH: Can you ask it as a separate question? – Devashish Das Jul 17 '14 at 4:56
@MarkH: Hey, hope my answer solved you query, if so, please mark this as answer. – Devashish Das Jul 20 '14 at 16:49