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Ba'al
Title: Zerg Zergling
Joined: Mar 02 2008
Location: Uranus
PostPosted: Jan 10 2009 11:53 pm Reply with quote Back to top

sidewaydriver wrote:
I got served Sad

On a silver platter, for that matter. *Rhyme*


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SevereFlame
Title: Superpowered President
Joined: Dec 07 2008
Location: White House In The Sky
PostPosted: Jan 11 2009 10:33 am Reply with quote Back to top

GPFontaine wrote:
Rycona wrote:
Syd Lexia wrote:
In terms of an RGB display, white is not the absence of color, it all colors. The three "brightest colors" are:

Pure Red (R 255)
Pure Blue (B 255)
Lime Green (G 255)

And together they comprise white. Meanwhile black is an absence of all RGB colors.

This is the opposite of the light spectrum where black is an absorption of all colored light and white is a reflection of all colored light.

It's not the opposite. White reflects all colors, like you said, so the colors reflected that you're seeing is relative to 255,255,255. Black is still the absence of color because it's absorbed, it never reaches our eye.

A minor technicality, but nonetheless.


It all depends if you are discussing the color of an object or the color of light itself.

The reason objects appear white is because they reflect all colors, the reason why things appear black is because they absorb all colors.

On a computer though, the lights themselves are presenting the colors. White is created by all lights being turned on while black is created by all lights being turned off.

But lets not get too fucking stupid about this. White is the brightest color when discussing the difference in brightness between colors.


Explain tint then. Tint to pure blue makes it appear more bright, but it loses the radiance.
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GPFontaine
Joined: Dec 06 2007
Location: Connecticut
PostPosted: Jan 11 2009 11:06 am Reply with quote Back to top

SevereFlame wrote:
GPFontaine wrote:
Rycona wrote:
Syd Lexia wrote:
In terms of an RGB display, white is not the absence of color, it all colors. The three "brightest colors" are:

Pure Red (R 255)
Pure Blue (B 255)
Lime Green (G 255)

And together they comprise white. Meanwhile black is an absence of all RGB colors.

This is the opposite of the light spectrum where black is an absorption of all colored light and white is a reflection of all colored light.

It's not the opposite. White reflects all colors, like you said, so the colors reflected that you're seeing is relative to 255,255,255. Black is still the absence of color because it's absorbed, it never reaches our eye.

A minor technicality, but nonetheless.


It all depends if you are discussing the color of an object or the color of light itself.

The reason objects appear white is because they reflect all colors, the reason why things appear black is because they absorb all colors.

On a computer though, the lights themselves are presenting the colors. White is created by all lights being turned on while black is created by all lights being turned off.

But lets not get too fucking stupid about this. White is the brightest color when discussing the difference in brightness between colors.


Explain tint then. Tint to pure blue makes it appear more bright, but it loses the radiance.


Brightness is technically subjective, but we use it to describe how much light we see coming from an object.

Lightness is how light or dark something is.

Tint is when you add white to a source to make it lighter
Shade is when you add black to a source to make it less light (darker)



 
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GPFontaine
Joined: Dec 06 2007
Location: Connecticut
PostPosted: Jan 17 2009 11:13 am Reply with quote Back to top




 
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