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venerdì 13 ottobre 2017

Il 25% delle persone ha un 4° cono e vede i colori come sono realmente

E tu quanti colori vedi? Fai il test Derval. Conta i colori e leggi qui sotto...


Vedi meno di 20 sfumature di colore?  Ciò significa che, come i cani, hai solo 2 tipi di coni. Il 25% della popolazione è dicromatica.

Vedi tra 20 e 32 sfumature di colore? Sei un tricromatico, hai 3 tipi di coni (nell'area viola/blu, verde e rossa). Il 50% della popolazione è il trichromat.

Vedi tra 33 e 39 colori? Sei un tetracromatico e, come le api, possiedi 4 tipi di coni (in viola/blu, verde, rosso e giallo). Ti irrita il colore giallo. Il 25% della popolazione è tetracromatica.

Vedi più di 39 sfumature di colori? Te ne stai inventando qualcuno! Ci sono solo 39 colori nel test. In realtà vuol dire che sei più sensibile al contrasto che ai colori in se. Per questo conta più di 39.


Fonte: Prof. Diana Derval / Linkedin | Derval Color Test TM, (c) DervalResearch - www.derval-research.com
 


 

versione originale


25% of the people have a 4th cone and see colors as they are ;p

Given the sudden interest for the color of dresses and vision, here some of the fascinating findings we did recently.

The color nuances we see depend on the number and distribution of cones (=color receptors) in our eye. You can check this rainbow: how many color nuances do you count?






You see less than 20 color nuances: you are a dichromat, like dogs, which means you have 2 types of cones only. You are likely to wear black, beige, and blue. 25% of the population is dichromat.

You see between 20 and 32 color nuances: you are a trichromat, you have 3 types of cones (in the purple/blue, green and red area). You enjoy different colors as you can appreciate them. 50% of the population is trichromat.

You see between 33 and 39 colors: you are a tetrachromat, like bees, and have 4 types of cones (in the purple/blue, green, red plus yellow area). You are irritated by yellow, so this color will be nowhere to be found in your wardrobe. 25% of the population is tetrachromat.

You see more than 39 color nuances: come on, you are making up things! there are only 39 different colors in the test, how come? In fact you respond more to contrast than to colors and that is why you count more than 39 :)

It is highly probable that people who have an additional 4th cone do not get tricked by blue/black or white/gold dresses, no matter the background light ;)

Sources: Diana Derval, The Right Sensory Mix: Targeting Consumer Product Development Scientifically, Springer 2010




Important information about this post:

* the number and distribution of color cones can only be measured by a special device, therefore the categories proposed in this message are of course just indications. * the shared percentages are as always an approximation as the only way to have accurate data would be to measure everyone * the sources used are detailed in chapter 5 of my book and refer for instance to this published article http://link.springer.com/article/10.3758%2FBF03196159. The royalties of the book are donating to a foundation.

The objective of this post is to make people aware of the great variations in color perception among people supposed to have a similar and "normal vision" (trichromat).

Recent years we did many discoveries in sensory perception and thanks to all of you for sharing your feedback. We do not have all the answers yet but it is a fact that some people see much better colors and we will continue our research using your valuable input and keep you updated.

Source: Prof. Diana Derval / Linkedin



NB: Questo sito non rappresenta una testata giornalistica in quanto viene aggiornato senza alcuna periodicità. Non può pertanto considerarsi un prodotto editoriale ai sensi della legge n. 62 del 07.03.2001. Le immagini, i video e gli audio sono tratti dal web, valutati quindi di pubblico dominio.





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