Color rendering index

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Color rendering index

Quality:

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 Simple English Wikipedia has 16.5 points for quality (as of July 1, 2025). The article contains 1 references and 2 sections.

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

Since the creation of article “Color rendering index”, its content was written by 6 registered users of Simple English Wikipedia and edited by 571 registered Wikipedia users in all languages.

The article is cited 2 times in Simple English Wikipedia and cited 621 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (Simple English): #415 in July 2017
  • Global: #19487 in December 2009

The highest popularity rank from 2008:

  • Local (Simple English): #12358 in March 2023
  • 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.

Languages with the highest quality

#LanguageQuality gradeQuality score
1English (en)
Color rendering index
58.6908
2German (de)
Farbwiedergabeindex
43.3606
3French (fr)
Indice de rendu des couleurs
29.5558
4Indonesian (id)
Indeks sesuaian warna
25.3463
5Arabic (ar)
مقياس التجسيد اللوني
25.1708
6Polish (pl)
Współczynnik oddawania barw
25.0981
7Chinese (zh)
演色性指數
23.5821
8Spanish (es)
Índice de reproducción cromática
18.8202
9Simple English (simple)
Color rendering index
16.4605
10Russian (ru)
Индекс цветопередачи
15.9474
More...

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

Most popular in all the time

The most popular language versions of the article "Color rendering index" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Color rendering index
2 856 010
2German (de)
Farbwiedergabeindex
824 703
3Russian (ru)
Индекс цветопередачи
437 943
4French (fr)
Indice de rendu des couleurs
313 965
5Spanish (es)
Índice de reproducción cromática
220 154
6Italian (it)
Indice di resa cromatica
159 391
7Dutch (nl)
Kleurweergave-index
127 751
8Polish (pl)
Współczynnik oddawania barw
120 349
9Chinese (zh)
演色性指數
89 993
10Czech (cs)
Index podání barev
72 024
More...

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

Most popular in June 2025

The most popular language versions of the article "Color rendering index" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Color rendering index
4 686
2German (de)
Farbwiedergabeindex
887
3Russian (ru)
Индекс цветопередачи
654
4Chinese (zh)
演色性指數
489
5Simple English (simple)
Color rendering index
373
6French (fr)
Indice de rendu des couleurs
282
7Italian (it)
Indice di resa cromatica
219
8Polish (pl)
Współczynnik oddawania barw
198
9Spanish (es)
Índice de reproducción cromática
185
10Dutch (nl)
Kleurweergave-index
161
More...

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

The highest AI

Language versions of the article "Color rendering index" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Color rendering index
146
2German (de)
Farbwiedergabeindex
106
3French (fr)
Indice de rendu des couleurs
59
4Dutch (nl)
Kleurweergave-index
34
5Russian (ru)
Индекс цветопередачи
31
6Italian (it)
Indice di resa cromatica
25
7Polish (pl)
Współczynnik oddawania barw
24
8Spanish (es)
Índice de reproducción cromática
22
9Finnish (fi)
Värintoistoindeksi
18
10Norwegian (no)
Ra-indeks
18
More...

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

The highest AI in June 2025

Language versions of the article "Color rendering index" with the highest AI in June 2025
#LanguageAI awardRelative AI
1English (en)
Color rendering index
2
2Arabic (ar)
مقياس التجسيد اللوني
0
3Catalan (ca)
Índex de reproducció cromàtica
0
4Czech (cs)
Index podání barev
0
5Danish (da)
Farvegengivelsesindeks
0
6German (de)
Farbwiedergabeindex
0
7Spanish (es)
Índice de reproducción cromática
0
8Persian (fa)
شناسه نمود رنگ
0
9Finnish (fi)
Värintoistoindeksi
0
10French (fr)
Indice de rendu des couleurs
0
More...

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

The highest CI

Language versions of the article "Color rendering index" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Color rendering index
195
2Russian (ru)
Индекс цветопередачи
111
3German (de)
Farbwiedergabeindex
66
4French (fr)
Indice de rendu des couleurs
39
5Italian (it)
Indice di resa cromatica
27
6Ukrainian (uk)
Індекс передавання кольору
25
7Swedish (sv)
Ra (ljus)
24
8Chinese (zh)
演色性指數
18
9Dutch (nl)
Kleurweergave-index
17
10Polish (pl)
Współczynnik oddawania barw
16
More...

Scores

Estimated value for Wikipedia:
Simple English:
Global:
Popularity in June 2025:
Simple English:
Global:
Popularity in all years:
Simple English:
Global:
Authors in June 2025:
Simple English:
Global:
Registered authors in all years:
Simple English:
Global:
Citations:
Simple English:
Global:

Quality measures

Interwikis

#LanguageValue
arArabic
مقياس التجسيد اللوني
caCatalan
Índex de reproducció cromàtica
csCzech
Index podání barev
daDanish
Farvegengivelsesindeks
deGerman
Farbwiedergabeindex
enEnglish
Color rendering index
esSpanish
Índice de reproducción cromática
faPersian
شناسه نمود رنگ
fiFinnish
Värintoistoindeksi
frFrench
Indice de rendu des couleurs
idIndonesian
Indeks sesuaian warna
itItalian
Indice di resa cromatica
nlDutch
Kleurweergave-index
noNorwegian
Ra-indeks
plPolish
Współczynnik oddawania barw
ruRussian
Индекс цветопередачи
simpleSimple English
Color rendering index
svSwedish
Ra (ljus)
ukUkrainian
Індекс передавання кольору
viVietnamese
Chỉ số hoàn màu
zhChinese
演色性指數

Popularity rank trends

Best Rank Simple English:
#12358
03.2023
Global:
#37351
11.2014

AI rank trends

Best Rank Simple English:
#415
07.2017
Global:
#19487
12.2009

Local AI rank history

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Color rendering index from Wikipedia articles about CRI, Color temperature, High CRI LED Lighting, Sodium-vapor lamp and LED lamp. Whereas reading the article about Color rendering index people most often go to Wikipedia articles on Sodium-vapor lamp, Color temperature, Color rendering, High CRI LED Lighting and Black body.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

News from 12 August 2025

On 12 August 2025 in multilingual Wikipedia, Internet users most often read articles on the following topics: Cristiano Ronaldo, Wednesday, Georgina Rodríguez, ChatGPT, Weapons, Jenna Ortega, deaths in 2025, Taylor Swift, Miguel Uribe Turbay, 2025–26 UEFA Champions League.

In Simple English Wikipedia the most popular articles on that day were: Free Republic of Verdis, SOLID (object-oriented design), Wikimedia Foundation, Black, XXXTentacion, List of U.S. states and territories by time zone, Youmna Khoury, List of U.S. states, List of European countries, List of people who have walked on the Moon.

About WikiRank

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