Lightness

Lightness - property of a color. Article “Lightness” in English Wikipedia has 64.8 points for quality (as of July 1, 2026). The article contains 30 references and 17 sections.

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 “Lightness”, its content was written by 87 registered users of English Wikipedia and edited by 262 registered Wikipedia users in all languages.

The article is cited 548 times in English Wikipedia and cited 2120 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #35814 in October 2004
• Global: #54724 in October 2004

The highest popularity rank from 2008:

• Local (English): #100624 in September 2009
• Global: #122371 in September 2009

There are 19 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) Lightness		64.8112
2	Chinese (zh) 明度		41.6419
3	Estonian (et) Heledus (värviteooria)		31.409
4	Arabic (ar) زهو		24.8613
5	French (fr) Luminosité (colorimétrie)		20.7148
6	Japanese (ja) 明度		18.5606
7	Spanish (es) Luminosidad (color)		12.8124
8	Russian (ru) Светлота (цвет)		11.5446
9	Italian (it) Tono (pittura)		10.7114
10	Portuguese (pt) Luminosidade (cor)		7.986

More...

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

The most popular language versions of the article "Lightness" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Lightness		997 919
2	Spanish (es) Luminosidad (color)		366 239
3	Japanese (ja) 明度		153 629
4	Chinese (zh) 明度		137 506
5	Russian (ru) Светлота (цвет)		111 652
6	German (de) Helligkeit (Farbe)		81 526
7	French (fr) Luminosité (colorimétrie)		74 288
8	Portuguese (pt) Luminosidade (cor)		55 343
9	Arabic (ar) زهو		48 055
10	Italian (it) Tono (pittura)		42 119

More...

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 "Lightness" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) Lightness		1 767
2	Japanese (ja) 明度		389
3	Chinese (zh) 明度		301
4	Russian (ru) Светлота (цвет)		133
5	French (fr) Luminosité (colorimétrie)		130
6	Spanish (es) Luminosidad (color)		118
7	German (de) Helligkeit (Farbe)		109
8	Italian (it) Tono (pittura)		80
9	Portuguese (pt) Luminosidade (cor)		45
10	Dutch (nl) Intensiteit (kleur)		28

More...

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

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

#	Language	AI award	Relative AI
1	English (en) Lightness		87
2	Italian (it) Tono (pittura)		25
3	French (fr) Luminosité (colorimétrie)		24
4	Chinese (zh) 明度		20
5	German (de) Helligkeit (Farbe)		18
6	Russian (ru) Светлота (цвет)		16
7	Spanish (es) Luminosidad (color)		13
8	Dutch (nl) Intensiteit (kleur)		11
9	Portuguese (pt) Luminosidade (cor)		11
10	Japanese (ja) 明度		10

More...

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

Language versions of the article "Lightness" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	Arabic (ar) زهو		0
2	Belarusian (be) Светлата		0
3	German (de) Helligkeit (Farbe)		0
4	English (en) Lightness		0
5	Spanish (es) Luminosidad (color)		0
6	Estonian (et) Heledus (värviteooria)		0
7	Persian (fa) روشنی		0
8	French (fr) Luminosité (colorimétrie)		0
9	Croatian (hr) Ton (likovna umjetnost)		0
10	Indonesian (id) Kebercahayaan		0

More...

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

Language versions of the article "Lightness" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Lightness		548
2	Arabic (ar) زهو		285
3	Estonian (et) Heledus (värviteooria)		265
4	Chinese (zh) 明度		265
5	Japanese (ja) 明度		188
6	French (fr) Luminosité (colorimétrie)		137
7	Korean (ko) 밝기		109
8	Dutch (nl) Intensiteit (kleur)		68
9	German (de) Helligkeit (Farbe)		54
10	Persian (fa) روشنی		53

More...

#	Language	Value
ar	Arabic زهو
be	Belarusian Светлата
de	German Helligkeit (Farbe)
en	English Lightness
es	Spanish Luminosidad (color)
et	Estonian Heledus (värviteooria)
fa	Persian روشنی
fr	French Luminosité (colorimétrie)
hr	Croatian Ton (likovna umjetnost)
id	Indonesian Kebercahayaan
it	Italian Tono (pittura)
ja	Japanese 明度
ko	Korean 밝기
lt	Lithuanian Spalvų šviesumas
nl	Dutch Intensiteit (kleur)
no	Norwegian Lyshet
pt	Portuguese Luminosidade (cor)
ru	Russian Светлота (цвет)
zh	Chinese 明度

Best Rank

English: #100624 09.2009

Global: #122371 09.2009

Best Rank

English: #35814 10.2004

Global: #54724 10.2004

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