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Looking for a colour-blind to test some images

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coco
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Joined: 07/27/2008

Hi, all.

If you're colour-blind then I need your help.

I've designed some images so that they can be distinguished by a colour-blind. Could you please test them?

Thank you vey much,

Néstor

ReneWiersma
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Joined: 08/08/2008
Sure. Where can I find the

Sure. Where can I find the pictures?

coco
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Joined: 07/27/2008
Where is it?

ReneWiersma wrote:
Sure. Where can I find the pictures?

Thank you, Rene.

I've just uploaded the picture, but I can't find it here! Where is it?

Néstor

coco
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Joined: 07/27/2008
How

How can I show you the image?

Thank you,

Néstor

Brykovian
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Joined: 07/21/2008
Your uploaded image can be

Your uploaded image can be found here:
http://www.bgdf.com/node/2112

Cheers,
-Bryk

ReneWiersma
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I can distinguish the

I can distinguish the different colors just fine. The brown and the red, and the pink and the gray might be problematic with dimmed lights, but you have different shaped borders to circumvent that.

SiddGames
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I am red/green colorblind,

I am red/green colorblind, although in the world of gaming I find that it really depends on the shades of colors used and their relative brightness. Some red/green games are perfectly fine, and in others I have trouble with red/brown (if they are dark) and gray/pink (they both look kind of washed out).

Looking at the colors only in your test image, the red/green seems okay to me because the green is fairly light, so it's easier to distinguish from the red. The red/brown combo would worry me a little more, but the brown is fairly dark so I think it would be okay for me if they actually looked that way once printed.

The pink/gray here is awful for me -- I think the technical term is low saturation? They both look washed out to me, similar to the food and stone cubes in Caylus (my worst pink/gray problem game). I'd be marginally worried about the cyan as well; if it got any darker when printed, I might have trouble comparing that to the gray, too.

That's all going by color alone for me. If I were setting the colors, I would make the gray just a bit darker to differentiate it more from the cyan, and then change the pink to white (if that's possible) or bright orange that I could distinguish between the yellow and red.

The use of the borders, though, makes this color scheme work fine. The solid border colors have no problems for me (black, yellow, red, blue, pink, cyan) and the large dash (brown, gray) pair is fine, too. Actually, looking closer, I see that the dash size is different between those two, but at quick glance on game pieces they would look about the same size, I think.

I do have a question if there is significance to the border style other than helping the colorblind. That is, since 6 of those have a solid border, do they represent a class of objects or information that share a common trait? For example, those six are resources while the broken-border colors are used for other information such as military units, movable objects, cities, whatever. I only mention that because I think it would distract me if certain pieces shared traits but not border style, or vice-versa, while playing, unless border style is used exclusively as a colorblind aid.

Hope that helps, cheers!
Mike

coco
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Joined: 07/27/2008
Tlatelolco

Thank you, all!

Mike:

The game in question is "The market of Tlatelolco". I'm doing a few production tests.

- There are 7 types of characters, 1 of them being the seller. There are 4 sellers.

- The 4 main colours represent 4 kinds of goods and its corresponding sellers, and they MUST be red, blue, green and yellow.

- The black is the king, and MUST be solid too.

- The other pieces have special actions that modify the market behaviour. The most common (4 tiles) is the "agglomeration". So it can be white.

So the problem is how to distiguish them even for the colour-blind. I need 9 colours, because "agglomeration" is white.

Can you find a colour/shape scheme for this?

Thank you!

Néstor

drewdane
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Joined: 11/28/2008
Hey, I just said this somewhere else!

Those of us who are not colorblind, and don't have a colorblind person within arm's reach can go to http://www.vischeck.com/vischeck/vischeckImage.php and see for ourselves what an image would look like to people with several different types of colorblindness.

SiddGames
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coco wrote:- There are 7

coco wrote:
- There are 7 types of characters, 1 of them being the seller. There are 4 sellers.

- The 4 main colours represent 4 kinds of goods and its corresponding sellers, and they MUST be red, blue, green and yellow.

- The black is the king, and MUST be solid too.

- The other pieces have special actions that modify the market behaviour. The most common (4 tiles) is the "agglomeration". So it can be white.

So the problem is how to distiguish them even for the colour-blind. I need 9 colours, because "agglomeration" is white.

So does that mean you can use 5 solids (red, green, blue, yellow, black), white for agglomeration, and then you need 4 more colors for the 4 other special action tiles? I like dark gray, cyan, brown and orange for four other colors, but these can have different borders right? So you have more freedom.

This site has a good description of color blindness, and their own suggestions for a palette. Also, they say there are some good color-safe apps out there, like Vischeck.

http://jfly.iam.u-tokyo.ac.jp/color/index.html

larienna
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Joined: 07/28/2008
I am partially collor blind

I am partially collor blind and I don't have any problem distinguishing the colors. Most of my problems arrive with mixtures of colors.

You probably have made the test where there is numbers in a circle with various dotted colors. Well I fail this test.

I know for example that red letters on a grey back ground is hard to read.

I don't know what are your needs, but you could submit a test where you write in a certain color and place the background in another color.

coco
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Joined: 07/27/2008
finally

Thank you very much.

This seems complicated.

I've finally used a standard scheme (red, blue, green, yellow, black and gray), because the game uses counters in those colours, too. So I'm trapped.

I'm thinking about offering the posibility of printing a special set for colour-blinds on-demand. So they can chose the colour scheme. It will be more expensive, but maybe someone could be interested, and this way anybody can play the game.

Néstor

Katherine
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Joined: 07/24/2008
Coco This site has some

Coco

This site has some useful info:

http://www.colblindor.com/

pelle
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Joined: 08/11/2008
GIMP comes with some effects

GIMP comes with some effects that can be used to quickly test how an image will look to people with different kind of color blindness.

There are similar plugins for Inkscape.

I'm sure all the commercial drawing apps also come with similar effects or that you can download them somewhere. Surely easier than finding people of all the most common types of color blindness to test all your images. :)

coco
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Joined: 07/27/2008
Thanks

Thanks again! :)

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