In this age of “color” and “colorblindness,” it’s worth remembering that in the 1980s, people looked at TV in different ways. For one, the colors of color TVs were red-brown and blue-green. Blue was the “hot” color, but there were also blue TVs that used red-amber and green-blue for their primaries.
TVs also had a color technology called CRT. A CRT means it’s an opaque glass.
The light coming from your TV shows a color to the screen. It is not the same as what you see with light bulbs. The color shown on the TV is determined by the phosphor that surrounds the surface of the phosphor that we can see. The light from a CRT is not the same as the light that comes from a light bulb.
So you see the red and green from a CRT but not the blue and yellow from a light bulb.
In order to see a color on a CRT, the phosphor has to be surrounded by two colors called “color carriers.” A light bulb is not the only color that your TV uses. Other colors also have a color carrier.
Blue is used for white and yellow for greenish or yellow-tinted colors. The carriers may be red, green, or yellow and the color would have been red and green with a yellow carrier.
A lightbulb will not only colorize the color you see with the light it’s illuminating – it also will illuminate the color of the color carrier. That’s why it can be seen, for example, that “white” means blue with a blue carrier.
That’s also why you see the white of the word “bloom” instead of “bubble.” Those are colors we already see with light bulbs.
The colors used on a CRT were:
The carriers used to light up the screen:
R, G and B-light or CRT Blue
S, G, C and U-light Or CRT Yellow
C, B or J-light or CRT Orange
S, G or F-light or CRT Clear
A, B or R-light or CRT Red
Y, U, Y or U-light or CRT Red
A white, brown or yellow
What was the name for a new, color-blind TV in the 1980s?
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