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Comment by rocketsloth | Hacker News Reader

Hey really sorry about that, there are a variety of dismissal methods you can choose from including shake dismissal, qr scan, barcode scan and a simple stop button as well as this color tap. That dismissal method is just the one I went with for the screenshot, but there is something for everyone.

I'm also looking in to giving users the option to change the color combination because I've received this feedback from two people now. If you have any suggestions for colors that would work for you please let me know and I'll add them to my trello board

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Yeah, I was less concerned about the usability of the app itself (I assumed there are other challenges available and they're configurable) but it's a bad first impression, especially when it's the only challenge shown and the screenshot is repeated multiple times throughout the landing page (which suggests it is the only challenge currently available).

If you're going with a "color blind" palette, just make sure you don't accidentally make it worse. I've seen many people mistakenly avoid e.g. red/green completely and end up with hues that are even less distinguishable.

A good low-tech approximation is to just check your palette in gray scale and make sure e.g. red/green or yellow/blue don't appear too similar. It's likely not necessary that a user knows which color each color is supposed to be but they will likely need to be able to distinguish them at a glance. Also make sure when filling in a shape with color (such as letters) that the shapes are big enough (i.e. bold enough) -- colors are easier to distinguish when they cover a larger surface (more photons, better vision).

Very fair, I picked it cause of all the dismiss methods it's the most visually appealing since the others aren't really based on interacting with the UI much.

I'm working on some alternative palettes right now, and will do my best not to make it worse. One option I'm considering is allowing users to customize the palette entirely by picking 4 colors themselves from a list.

Also while I'm not sure if this is accurate, the android developer mode settings offer the ability to simulate a color space based on various color blindnesses (Monochromacy, Deuteranomaly, Protanomaly, and Tritanomaly) so I'm working with that too.

Using text labels to associate the color chips could work too.

Even color blind people know Ocean = Blue if given simple terms like you have. :)

Yeah, no. That works if the colors are easy to recognise but considering how many times I guessed wrong when facing two unlabeled hues I was able to distinguish but not clearly recognise (e.g. knowing one is green and the other red but guessing wrong because the green is brighter when normally the red would be brighter).

If I understand correctly though, I think that suggestion would defeat the purpose of the stroop test that this method is using to trick people, cause the whole idea is that the word ocean is supposed to mislead you and the color of the text can be green. You tap the text color, not the meaning of the word.

http://mkweb.bcgsc.ca/colorblind/

thanks!

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