Uploaded October 2017 | Updated September 2026, 2 weeks ago

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Colorblind people are missing colors, but are there people out there with extra colors? Many people think they are special because of a few internet memes and online color tests. They're not special.

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A "clean" edit of this video, designed to be more classroom- and child-friendly, can be found here: youtu.be/F5EGNMbPkAM

When the Blind Still See - youtu.be/l4GmdMNsBfI

exurb1a - youtube.com/c/exurb1a
Special thanks to exurb1a, the voice of Wheatley the Ferret - again!

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Neitz, J., Carroll, J., & Neitz, M. (2001). Color vision: Almost reason enough for having eyes. Optics and Photonics News, 12(1), 26-33.

Kalloniatis, M., & Luu, C. (2005). The Perception of Color. Retrieved from ncbi.nlm.nih.gov/books/NBK11538

Thoen, H. H., How, M. J., Chiou, T., & Marshall, J. (2014). A Different Form of Color Vision in Mantis Shrimp. Science, 343(6169), 411-413. doi:10.1126/science.1245824

nei.nih.gov/health/color_blindness/facts_about
color-blindness.com/coblis-color-blindness-simulator
fox6now.com/2015/03/02/how-many-colors-do-you-see-this-simple-test-may-or-may-not-reveal-something-fascinating-about-your-eye
businessinsider.com/the-mantis-shrimp-color-vision-system-2014-1
popsci.com/blog-network/ladybits/mantis-shrimp-vision-not-mindblowing-you%E2%80%99ve-been-told

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Video Credits -
Colorblind Man Sees Purple for the First Time - EZwithETHAN - youtu.be/WCcxwieuDH0
The more you know - Jacob M. - youtu.be/GD6qtc2_AQA
True Facts About The Mantis Shrimp - zefrank1 - youtu.be/F5FEj9U-CJM

Photo Credits -
https://www.unm.edu/~toolson/human_cone_action_spectra.gif
http://faculty.montgomerycollege.edu/gyouth/FP_examples/student_examples/griffin_shay/images/colorblindness.png
upload.wikimedia.org/wikipedia/commons/thumb/a/ae/Ishihara_19.PNG/768px-Ishihara_19.PNG
ffca-calgary.com/uploads/circle1192509_960_720.png
sun-world.com/wp-content/uploads/2015/05/category_hdr_red_grapes.jpg
http://www.mb-med.it/wp-content/uploads/2015/10/RIBES-NERO.jpg
sciphile.org/sites/default/files/users/guy/media/MonaLisaInverted.png
upload.wikimedia.org/wikipedia/commons/thumb/7/76/Color_icon_violet_v2.svg/480px-Color_icon_violet_v2.svg.png
upload.wikimedia.org/wikipedia/commons/thumb/1/17/Color_icon_purple.svg/480px-Color_icon_purple.svg.png
upload.wikimedia.org/wikipedia/commons/3/34/Double-Rainbow.jpg
upload.wikimedia.org/wikipedia/commons/8/88/PSM_V46_D167_Outer_surface_of_the_human_brain.jpg
upload.wikimedia.org/wikipedia/commons/e/ed/Human_eye_cross-sectional_view_grayscale.png
vignette.wikia.nocookie.net/justcause/images/2/23/Traffic_cone.PNG/revision/latest?cb=20130905180845
henniker.org.uk/images/Dirty_PCs/1394USB_dirty.jpg
i0.kym-cdn.com/photos/images/original/000/921/267/de3.png
upload.wikimedia.org/wikipedia/commons/a/a3/Wikipe-tan_wearing_The_Dress_reduced.svg

Music Credits -
"Furious Freak" and "Daily Beetle (Edited)" by Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0 License
creativecommons.org/licenses/by/3.0

Thumbnail, Intro, and Channel Art by PoetheWonderCat
poethewondercat.tumblr.com
patreon.com/poethewondercat

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Additional disclaimer for this video: That's vaseline.

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Hashtags: #psychology #color #vision #brain #monochrome #blackandwhite #bnw #colorblind #eye #eyes #sight #see #thedress #rainbow #purple