Color rendering index

Color rendering index - measure of the ability of a light source to reproduce the colors in comparison with an ideal or natural light source. Article “Color rendering index” in English Wikipedia has 58.5 points for quality (as of July 1, 2026). The article contains 41 references and 15 sections. The article also contains templates indicating quality issues, therefore its score was reduced by 14.63 points.

In this language version of Wikipedia the article has the best quality. Also, this article is the most popular in that (English) language version.

Since the creation of article “Color rendering index”, its content was written by 149 registered users of English Wikipedia and edited by 573 registered Wikipedia users in all languages.

The article is cited 181 times in English Wikipedia and cited 570 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #27715 in September 2011
• Global: #19499 in December 2009

The highest popularity rank from 2008:

• Local (English): #36571 in November 2013
• Global: #37006 in November 2014

There are 21 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2026 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	English (en) Color rendering index		58.5132
2	German (de) Farbwiedergabeindex		43.2738
3	French (fr) Indice de rendu des couleurs		29.5277
4	Polish (pl) Współczynnik oddawania barw		25.6166
5	Arabic (ar) مقياس التجسيد اللوني		25.1455
6	Indonesian (id) Indeks sesuaian warna		24.9177
7	Chinese (zh) 演色性指數		22.3674
8	Ukrainian (uk) Індекс передавання кольору		21.2732
9	Spanish (es) Índice de reproducción cromática		17.573
10	Russian (ru) Индекс цветопередачи		15.9671

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The following table shows the most popular language versions of the article.

The most popular language versions of the article "Color rendering index" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Color rendering index		2 918 051
2	German (de) Farbwiedergabeindex		842 761
3	Russian (ru) Индекс цветопередачи		482 969
4	French (fr) Indice de rendu des couleurs		319 426
5	Spanish (es) Índice de reproducción cromática		222 981
6	Italian (it) Indice di resa cromatica		161 942
7	Dutch (nl) Kleurweergave-index		129 378
8	Polish (pl) Współczynnik oddawania barw		123 208
9	Chinese (zh) 演色性指數		94 898
10	Czech (cs) Index podání barev		73 767

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The following table shows the language versions of the article with the highest popularity in the last month.

The most popular language versions of the article "Color rendering index" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) Color rendering index		4 045
2	German (de) Farbwiedergabeindex		1 062
3	Chinese (zh) 演色性指數		417
4	Russian (ru) Индекс цветопередачи		377
5	French (fr) Indice de rendu des couleurs		294
6	Polish (pl) Współczynnik oddawania barw		164
7	Spanish (es) Índice de reproducción cromática		131
8	Italian (it) Indice di resa cromatica		122
9	Dutch (nl) Kleurweergave-index		104
10	Czech (cs) Index podání barev		59

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The following table shows the language versions of the article with the highest Authors’ Interest.

Language versions of the article "Color rendering index" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Color rendering index		149
2	German (de) Farbwiedergabeindex		107
3	French (fr) Indice de rendu des couleurs		59
4	Dutch (nl) Kleurweergave-index		35
5	Russian (ru) Индекс цветопередачи		31
6	Italian (it) Indice di resa cromatica		26
7	Polish (pl) Współczynnik oddawania barw		26
8	Spanish (es) Índice de reproducción cromática		23
9	Finnish (fi) Värintoistoindeksi		18
10	Swedish (sv) Ra (ljus)		18

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The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

Language versions of the article "Color rendering index" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	Polish (pl) Współczynnik oddawania barw		1
2	Arabic (ar) مقياس التجسيد اللوني		0
3	Catalan (ca) Índex de reproducció cromàtica		0
4	Czech (cs) Index podání barev		0
5	Danish (da) Farvegengivelsesindeks		0
6	German (de) Farbwiedergabeindex		0
7	English (en) Color rendering index		0
8	Spanish (es) Índice de reproducción cromática		0
9	Persian (fa) شناسه نمود رنگ		0
10	Finnish (fi) Värintoistoindeksi		0

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The following table shows the language versions of the article with the highest number of citations.

Language versions of the article "Color rendering index" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Color rendering index		181
2	Russian (ru) Индекс цветопередачи		109
3	German (de) Farbwiedergabeindex		62
4	French (fr) Indice de rendu des couleurs		36
5	Ukrainian (uk) Індекс передавання кольору		26
6	Swedish (sv) Ra (ljus)		21
7	Italian (it) Indice di resa cromatica		20
8	Dutch (nl) Kleurweergave-index		16
9	Polish (pl) Współczynnik oddawania barw		16
10	Chinese (zh) 演色性指數		16

More...

#	Language	Value
ar	Arabic مقياس التجسيد اللوني
ca	Catalan Índex de reproducció cromàtica
cs	Czech Index podání barev
da	Danish Farvegengivelsesindeks
de	German Farbwiedergabeindex
en	English Color rendering index
es	Spanish Índice de reproducción cromática
fa	Persian شناسه نمود رنگ
fi	Finnish Värintoistoindeksi
fr	French Indice de rendu des couleurs
id	Indonesian Indeks sesuaian warna
it	Italian Indice di resa cromatica
nl	Dutch Kleurweergave-index
no	Norwegian Ra-indeks
pl	Polish Współczynnik oddawania barw
ru	Russian Индекс цветопередачи
simple	Simple English Color rendering index
sv	Swedish Ra (ljus)
uk	Ukrainian Індекс передавання кольору
vi	Vietnamese Chỉ số hoàn màu
zh	Chinese 演色性指數

Best Rank

English: #36571 11.2013

Global: #37006 11.2014

Best Rank

English: #27715 09.2011

Global: #19499 12.2009

On 1 July 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2026 FIFA World Cup, Kylian Mbappé, Erling Haaland, Democratic Republic of the Congo, FIFA World Cup, Harry Kane, Romelu Lukaku, Senegal, Michael Olise, Sadio Mané.

In English Wikipedia the most popular articles on that day were: 2026 FIFA World Cup, Harry Kane, Julián Quiñones, List of FIFA World Cup top goalscorers, Kylian Mbappé, Democratic Republic of the Congo, Erling Haaland, DR Congo national football team, Melat Kiros, FIFA World Cup.

The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 50 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2026. When calculating current popularity and AI of articles data from June 2026 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2026... More information