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 58.7 points for quality (as of July 1, 2025). The article contains 41 references and 15 sections. The article also contains templates indicating quality issues, therefore its score was reduced by 14.67 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.

In June 2025 the article “Color rendering index” was edited by 2 authors in English Wikipedia and written by 2 authors in all languages.

Since the creation of article “Color rendering index”, its content was written by 146 registered users of English Wikipedia and edited by 571 registered Wikipedia users in all languages.

The article is cited 195 times in English Wikipedia and cited 621 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #27692 in September 2011
• Global: #19487 in December 2009

The highest popularity rank from 2008:

• Local (English): #36351 in November 2013
• Global: #37351 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, 2025 (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		58.6908
2	German (de) Farbwiedergabeindex		43.3606
3	French (fr) Indice de rendu des couleurs		29.5558
4	Indonesian (id) Indeks sesuaian warna		25.3463
5	Arabic (ar) مقياس التجسيد اللوني		25.1708
6	Polish (pl) Współczynnik oddawania barw		25.0981
7	Chinese (zh) 演色性指數		23.5821
8	Spanish (es) Índice de reproducción cromática		18.8202
9	Simple English (simple) Color rendering index		16.4605
10	Russian (ru) Индекс цветопередачи		15.9474

More...

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		2 856 010
2	German (de) Farbwiedergabeindex		824 703
3	Russian (ru) Индекс цветопередачи		437 943
4	French (fr) Indice de rendu des couleurs		313 965
5	Spanish (es) Índice de reproducción cromática		220 154
6	Italian (it) Indice di resa cromatica		159 391
7	Dutch (nl) Kleurweergave-index		127 751
8	Polish (pl) Współczynnik oddawania barw		120 349
9	Chinese (zh) 演色性指數		89 993
10	Czech (cs) Index podání barev		72 024

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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 2025

#	Language	Popularity award	Relative popularity
1	English (en) Color rendering index		4 686
2	German (de) Farbwiedergabeindex		887
3	Russian (ru) Индекс цветопередачи		654
4	Chinese (zh) 演色性指數		489
5	Simple English (simple) Color rendering index		373
6	French (fr) Indice de rendu des couleurs		282
7	Italian (it) Indice di resa cromatica		219
8	Polish (pl) Współczynnik oddawania barw		198
9	Spanish (es) Índice de reproducción cromática		185
10	Dutch (nl) Kleurweergave-index		161

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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		146
2	German (de) Farbwiedergabeindex		106
3	French (fr) Indice de rendu des couleurs		59
4	Dutch (nl) Kleurweergave-index		34
5	Russian (ru) Индекс цветопередачи		31
6	Italian (it) Indice di resa cromatica		25
7	Polish (pl) Współczynnik oddawania barw		24
8	Spanish (es) Índice de reproducción cromática		22
9	Finnish (fi) Värintoistoindeksi		18
10	Norwegian (no) Ra-indeks		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 2025

#	Language	AI award	Relative AI
1	English (en) Color rendering index		2
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	Spanish (es) Índice de reproducción cromática		0
8	Persian (fa) شناسه نمود رنگ		0
9	Finnish (fi) Värintoistoindeksi		0
10	French (fr) Indice de rendu des couleurs		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		195
2	Russian (ru) Индекс цветопередачи		111
3	German (de) Farbwiedergabeindex		66
4	French (fr) Indice de rendu des couleurs		39
5	Italian (it) Indice di resa cromatica		27
6	Ukrainian (uk) Індекс передавання кольору		25
7	Swedish (sv) Ra (ljus)		24
8	Chinese (zh) 演色性指數		18
9	Dutch (nl) Kleurweergave-index		17
10	Polish (pl) Współczynnik oddawania barw		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: #36351 11.2013

Global: #37351 11.2014

Best Rank

English: #27692 09.2011

Global: #19487 12.2009

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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 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information