Jump to content

If zeros are in red, tops should be in green.


gwnn

Recommended Posts

Why would green be easier than black?

 

It's not just zeros that are red, it's anything below 50%. We don't use special colors for bottoms.

 

Are you talking about BAM (as in MP challenges), where there are just 3 results, 0, 50, and 100%? It probably would be reasonable to have 3 different colors for this. On the other hand, I find that the scores stand out pretty well by themselves, since they have different numbers of digits.

 

bridgewebs.com, a site that many bridge clubs use to publish their results, uses a whole spectrum of colors for different score ranges. When I suggested doing the same thing here, I was told not to bother until we get around to completely redesigning myhands.

Link to comment
Share on other sites

Why would green be easier than black?

Because green is easier to distinguish from black than black from black. I thought this wasn't a controversial stance, but OK I guess it is. Maybe we should do a poll? "is green more different from black than black from black?"

 

It's not just zeros that are red, it's anything below 50%. We don't use special colors for bottoms.

 

Are you talking about BAM (as in MP challenges), where there are just 3 results, 0, 50, and 100%? It probably would be reasonable to have 3 different colors for this. On the other hand, I find that the scores stand out pretty well by themselves, since they have different numbers of digits.

Yes, I meant the BAM results (100, 50, or 0). I also kind of expected the 100 to be easy to distinguish from 50 based on the third digit. But in practice, for me, it's quite tough. Of course it's not like I spend 15 minutes to count them, but counting the zeroes is much faster than the tops.

 

bridgewebs.com, a site that many bridge clubs use to publish their results, uses a whole spectrum of colors for different score ranges. When I suggested doing the same thing here, I was told not to bother until we get around to completely redesigning myhands.

Yes maybe dividing it by fifths would be a good idea.

 

If you ever decide to do something like this, you can get some inspiration from check out this website:

http://colorbrewer2.org/#type=diverging&scheme=RdBu&n=5

Link to comment
Share on other sites

Red/Green color blindness is one of the most common forms

 

Might want to steer away from this particular combination.

Fair enough! RdYlBu could be a good one. http://colorbrewer2.org/#type=diverging&scheme=RdYlBu&n=11

 

Now that I have a data/MATLAB genius on the line, do you have any suggestions for a sequential color scheme that is perceptually uniform but doesn't blend in with a white background? Parula and others are great if I want to plot a map, but not so good when I have sparse data on white background. Or should I manually just set the lightness to a constant value?

Link to comment
Share on other sites

Fair enough! RdYlBu could be a good one. http://colorbrewer2.org/#type=diverging&scheme=RdYlBu&n=11

 

Now that I have a data/MATLAB genius on the line, do you have any suggestions for a sequential color scheme that is perceptually uniform but doesn't blend in with a white background? Parula and others are great if I want to plot a map, but not so good when I have sparse data on white background. Or should I manually just set the lightness to a constant value?

 

I left MathWorks 5 years back and even then, data visualization was never my strong point.

(These days, I am Akamai and using a lot more R)

 

However, here's a couple thoughts

 

1. Can you shift your background color to black?

 

2. My go to color scheme is Viridis. I can almost always find something in there that will work.

Link to comment
Share on other sites

Swapping the background color to black is a great idea for talks and in fact I'm seriously considering it for the future. But for papers or reports it's quite iffy (even if I don't care about ink, printers can make a mess of it).

 

Yes Viridis is quite pleasant.

 

It's just a bit weird that there's no obvious solution to this problem IMO. I'm happy to tweak existing stuff, but I'm more comfortable using something already developed and accepted by others.

Link to comment
Share on other sites

Swapping the background color to black is a great idea for talks and in fact I'm seriously considering it for the future. But for papers or reports it's quite iffy (even if I don't care about ink, printers can make a mess of it).

 

Yes Viridis is quite pleasant.

 

It's just a bit weird that there's no obvious solution to this problem IMO. I'm happy to tweak existing stuff, but I'm more comfortable using something already developed and accepted by others.

 

Hope that you can fine something that works and sorry that I couldn't be of more direct help.

Link to comment
Share on other sites

I always find it strange how despite this, red and green are universally important opposites, such as on traffic lights..

Traffic lights also have standard non-color clues -- red is on top, green on bottom. And in many other contexts, color is a secondary indicator that simply accompanies numeric data -- it's just there to make patterns easier to see, which is beneficial for the 95% of people who aren't color-blind.

Link to comment
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

Loading...
×
×
  • Create New...