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|WikiProject Color||(Rated Start-class, High-importance)|
Why does this article still look like a disambiguation page?
- It looks better now that some of the disambig entries have been moved to Monochrome (disambiguation), but it still has the look of a disambiguation page because of the numbering. Can't it be separated by topic into sections rather than numbered?--Hraefen Talk 14:50, 31 August 2006 (UTC)
- Saga City has done a nice job cleaning this page up. Good work.--Hraefen Talk 19:44, 31 August 2006 (UTC)
"In the physical sense, no real source of electromagnetic radiation is purely monochromatic, since that would require a wave of infinite duration."
Could someone further clarify this? Please, either explain what it means to need a "wave of infinite duration" in order to produce a single frequency, or point to another article that speaks of this. 18.104.22.168 01:01, 9 January 2007 (UTC)
- The frequency spectrum of a signal (in this case a sine wave) is derived by taking its Fourier transform. The property follows from that.--Adoniscik (talk) 19:23, 23 January 2008 (UTC)
Monochromatic Colour Schemes
The author says that monochromatic colour schemes are to be used with caution, among other things. (s)he cites no authority to back this up. Personally, I don't agree with his/her opinion - but that's irrelevant. I think a source should at least be cited to back up his claim. I hope this helps someone somewhere
(Wrude bouie 15:39, 24 April 2007 (UTC))
In general this article refers to optical properties of monochrome light and producing it. Aspects of interior design really don't belong here to begin with. —Preceding unsigned comment added by 22.214.171.124 (talk) 13:14, 29 October 2007 (UTC)
Merge from black-and-white and grayscale
These three articles basically describe the same thing. They would be better off merged together into one article, with information about sub-topics placed into sections (right now none of the three is much more than a stub). --jacobolus (t) 05:29, 18 September 2007 (UTC)
- Would like to see Grayscale kept as a separate article. As a noun it can be used to describe a reference in photography and on a line-up chart in colour television.Zir 18:40, 10 October 2007 (UTC)
I don't know if we need to end up with a SINGLE article covering all these topics, HOWEVER as currently written there is a lot of overlap between these articles and the articles are not well-focused. I believe these articles should be reworked to narrow the focus of each article. (There's also a Black and white (colours) article which appears to be focused on the color-combination.) Ewlyahoocom 07:33, 20 October 2007 (UTC)
- Yep. That was the main intent of my merge proposal. If there are actually multiple separate article-worthy topics I'm happy to have multiple articles. I just don't like having 3-4 crappy articles about substantially the same subject, when they could be combined into 1 better article. --jacobolus (t) 13:27, 20 October 2007 (UTC)
- The point is not whether the words have potential definitions which are separate concepts; the current articles are essentially overlapping, and their content should be combined. If other senses of these words can be expanded into separate article,s that's a separate question. --jacobolus (t) 10:37, 28 January 2008 (UTC)
In the heading, it is said that "... A monochromatic object has a single colour...". This seems to hint at color being an object property, which probably is not true since it is a property of light (emitted by an object).
Further, I have a more general question about monochromatic referring to: "... radiation of a single wavelength ...", in the Theory section. Also at many other places in Wikipedia it is stated that monochrome refers to having waves a single wavelength. Color is perceived by receptors in the eye, with the eyeball filled by some liquid of a certain refractive index and speed of light. So, the wavelength will in general change when the light comes from outside into the eye, depending on the medium outside. The wavelength in the eye will depend on the frequency of the incoming light, and not fundamentally on the wavelength it has outside the eye. The color the eye detects is therefor fundamentally dependent on the light frequency, instead of it's wavelength. Is it therefor not more correct to say that monochrome refers to a signal of a single frequency? Or is this a matter of definition? Kraaiennest (talk) 18:17, 22 February 2008 (UTC)
- You're right, but it is conventional to describe light by its wavelength (in vacuum). For example, this book; "one-wavelength" characterizes the light, even though that wavelength varies with the index of the material the light goes through. Dicklyon (talk) 04:39, 23 February 2008 (UTC)
- Thanks, so it is a matter of definition. Kraaiennest (talk) 12:14, 23 February 2008 (UTC)
- But how about this then, from Candela: "... The candela is the luminous intensity, in a given direction, of a source that emits monochromatic radiation of frequency 540 × 1012 hertz and that has a radiant intensity in that direction of 1/683 watt per steradian...". This suggest monochromatic waves emerge from an source of constant frequency. Kraaiennest (talk) 13:26, 23 February 2008 (UTC)
- I think the theoretical definition on monochromaticity should be accessible on more pages, as many would not think to search for it, after reading the page on lasers. It would be a useful information to have, as that page, and many others relating to lasers, continue to state that is producing monochromatic light, which conflicts this definition. Mangoismycat (talk) 02:56, 29 November 2011 (UTC)
I am confused here. There is the word monochromatic, but also monochrome. Perhaps the definitions would be different. It seems to me that monochrome would be something with one color in different shades, such as monochrome photos and monochromatic would be somethinig with one color frequency and one shade. So, what is right? Is there any expert in language who could and would please help? Thanks, euaio — Preceding unsigned comment added by Euaio (talk • contribs) 08:02, 9 May 2012 (UTC)
A shaded colour is a colour that has a % of black added to make it darker. A darker colour must only be referred to as a shade if black has been used to darken it. It should be referred to as a hue not a shade if another colour has been used to darken it ie: green added to red to darken it. Many people often mistakenly refer to a darker colour as a shade and I notice Wikipedia is guilty of this. — Preceding unsigned comment added by 126.96.36.199 (talk) 14:11, 16 February 2014 (UTC)