WikiCards · Card list · Science cards · HSL and HSV
Rare card · Science
HSL and HSV, a Rare card
HSL and HSV are the two most common cylindrical-coordinate representations of points in an RGB color model.
- Rarity
- Rare
- Domain
- Science
- ATK
- 84
- DEF
- 80
- Power
- 164
- Wikipedia reads a year
- 220,000
Power 164 (ATK + DEF): stronger than 85 % of WikiCards cards.
HSL and HSV quiz: 3 questions
Three questions on the HSL and HSV card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
HSL stands for hue, ______, and lightness, and is often also called HLS.
Answer
saturation. HSL stands for hue, saturation, and lightness, and is often also called HLS. From the HSL and HSV article on Wikipedia.
In which decade?
Developed in the ____s for computer graphics applications, HSL and HSV are used today in color pickers, in image editing software, and less commonly in image analysis and computer vision.
Answer
1970s. Developed in the 1970s for computer graphics applications, HSL and HSV are used today in color pickers, in image editing software, and less commonly in image analysis and computer vision. From the HSL and HSV article on Wikipedia.
Which of these cards hits hardest (highest ATK)?
Answer
1980s. 1980s 92 · HSL and HSV 84 · Many-worlds interpretation 81 · Antonie van Leeuwenhoek 76 ATK in WikiCards.
In a duel, each round asks a question like these about the opposing card, with 15 seconds to answer.
The facts on the card
The card carries these facts from its Wikipedia article.
- The two representations rearrange the geometry of RGB in an attempt to be more intuitive and perceptually relevant than the cartesian representation.
- Developed in the 1970s for computer graphics applications, HSL and HSV are used today in color pickers, in image editing software, and less commonly in image analysis and computer vision.
- HSL stands for hue, saturation, and lightness, and is often also called HLS.
Why it is Rare
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The HSL and HSV article was read about 220,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 84 and blocks with 80: each hit it takes is cut by 32 %.
How to get HSL and HSV
Open packs. Each pack holds five cards drawn from real Wikipedia articles, the rarest last, and the fifth card is always Rare or better. The odds are shown in the game. A free pack arrives every hour and two can wait, and the Coins you win in duels buy more packs.
More Science cards
Cards close in power
The cards just above and just below HSL and HSV in the power ranking, all domains together.
- TobyMacRare · Arts · ATK 80 DEF 84
- Battle of the River PlateRare · History · ATK 80 DEF 84
- Economy of VietnamRare · Society · ATK 87 DEF 77
- PasteurizationRare · Society · ATK 76 DEF 88
- Asia-Pacific Economic CooperationRare · History · ATK 82 DEF 82
- Batavia, Dutch East IndiesRare · History · ATK 74 DEF 90
Card lists
- Wikipedia quizNew questions every day
- All cards from A to ZEvery card, by name
- Science cards
- Legendary cards
- Tier listS and A tiers by power (ATK + DEF)
Credits
Text : Wikipedia, HSL and HSV (revision), CC BY-SA 4.0. Photo : Jacob Rus, CC BY-SA 3.0, Wikimedia Commons.


