Re: [I-score-devs] green and blue colour while playing - are they different/informative enough?

[Trond L. <tro...@be...>]

I’ve just found a useful free app that simulates various kinds of colour-blindness: Sim Daltonism. It’s available for free at the App Store:

	https://itunes.apple.com/us/app/sim-daltonism/id693112260?mt=12

Using it it seems to me that it is hard to distinguish green and aqua for several varieties of colour-blindness It would probably be a good utility to use in future design, not only of i-score, but also Jamoma.

Best,
Trond

> On 07 Apr 2016, at 12:16, Pascal Baltazar <pa...@ba...> wrote:
> 
> Agreed ! 
> 
> p
> 
>> Le 6 avr. 2016 à 22:58, Trond Lossius <tro...@be...> a écrit :
>> 
>> Hi,
>> 
>> Another usability observation:
>> 
>> I find that if the i-score window is small, the blue and green colour used along the lines between time constrains while playing look pretty similar, and are not all that easy to distinguish. Take a quick glance at the screenshot below and see if it immediately springs at you where we are in time in this screen shot.
>> 
>> <Screen Shot 2016-04-06 at 22.38.54.png>
>> 
>> Additionally I am concerned that the green and blue colours may be even more similar to some colour blind users, if they are unable to distinguish between green and blue.
>> 
>> I would recommend not to use a change in colour hue to signal progress in time. Typically differences in colour hue indicates difference in the kind of information that is to be communicated - see e.g. the different colours available in bootstrap for buttons and how they are meant to communicate different classes of information:
>> 
>> 	http://www.w3schools.com/bootstrap/bootstrap_buttons.asp
>> 
>> Instead I would suggest using a differentiation in saturation and brightness, and you can also alter how thick the line is, as is currently being done.For example a line segment can be a certain colour initially, as one is venturing into it the part that is playing becomes brighter, and when it is all done and not active any linger it can become darker, as in deactivated / no longer active. Here’s a quick mockup that probably could be refined a lot. The idea here is that we	re done playing the first time segment, and we’re halfway through the second one.
>> 
>> <Screen Shot 2016-04-06 at 22.53.57.png>
>> 
>> 
>> Best,
>> Trond
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