[Gimp-developer] green channel value in gimpviewrenderer.c

From curiosity, in this file https://github.com/GNOME/gimp/blob/master/app/widgets/gimpviewrenderer.c, on line 160:

gimp_rgba_set (&green_color, 0.0, 0.94, 0.0, GIMP_OPACITY_OPAQUE);

Why is the green channel value for "&green_color" set to 0.94 rather than 1.0? Does this affect anything during editing? Or is this just a random default value?

The channel values for the other colors in the list are either 0.0 or 1.0.

Also, what are the functions in this file for? Why is the blue channel not used, but rather only the red and green channel?


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