On 02/06/2018 09:51 AM, Bastien Nocera wrote:
There are also changes to make Fedora "warmer" that go against the Fedora
visual identity. Starting with the cold and at times quasi-dystopian
backgrounds, using "cold" colours (blue, black) instead of warmer ones
(bright green and yellow, reds) seen as the defaults in most OSes.
Green is considered a cool color. [1]
Some things to consider:
1) Cool colors have a more soothing and calming influence than warm
colors, which tend to draw attention and arouse. Across many studies
blue is cited as being the highest ranked color in terms of favor, and
also as a soothing color in contrast to red which was perceived as
"stimulating." [2]
2) Cool colors fade into the background; warm colors pop and are often
use to signal warning or error states. Two of the main principles of the
original GNOME Shell design document [3] are "Less is More" referring to
a reduction of load on the user, and "The technology should act as a
mediator", in part referring to the UI being the vehicle, not the
destination. A desktop background shouldn't draw attention to it; it's
meant to serve as a background and fade into the background and the
user's work is meant to take center stage.
E.g., the red default background of RHEL 5 to my knowledge elicited
complaints along these lines (e.g. distracting.) May be related to
findings that usage of the color red impairs task performance [4]; in my
grad-level HCI program one of our professors called it the "bear
detector color", eg the color of blood signals danger, as research
appears to support [5, 6].
3) Green as a color for digital display is somewhat problematic as it is
the color with the poorest coverage in the sRGB color gamut, meaning
across various displays it can appear very different, making it an
inconsistent color for branding. (see [7], figure 4 for a diagram of the
gamut)
[1] http://www.handprint.com/HP/WCL/color12.html#warmcool
[2]
https://pdfs.semanticscholar.org/4711/624c0f72d8c85ea6813b8ec5e8abeedfb616.pdf
[3] https://people.gnome.org/~mccann/shell/design/GNOME_Shell-20091114.pdf
[4]
https://scholar.google.com/scholar?cluster=9535436793991630289&hl=en&as_sdt=0,39
[5] http://www.tandfonline.com/doi/abs/10.1080/00140139.2014.889220
[6] https://www.sciencedirect.com/science/article/pii/S0022103109000821
[7] http://www.displaymate.com/Display_Color_Gamuts_1.htm
~m
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