On Mon, 6 Oct 2008, Martin Nordholts wrote:
Sven Neumann wrote:
* Making the toolbox (and the rest of the interface?) color neutral [1],
probably through a color neutral theme
That is the job for an artist, not a developer. You should try to get
Jimmac into the boat.
It would of course be nice if the whole icon set was adapted by an
artist to look good when color neutral, but I don't really see anyone
doing that very soon. There are two approaches that I think will
possible to get into 2.8 and they both somewhat involve programming:
1. Run the existing theme image elements through ImageMagick and make
them all greyscale, then compose the color neutral theme from that.
2. Support color neutrality for all themes, i.e. programatically make
icons color neutral and perhaps only color them when they are being
hovered by the mouse cursor.
If either of those will look good enough for being promoted to an
official stable release is another thing, but perhaps the initial effort
will attract graphical artists to help out.
If a goal is to support simple greyscale <-> color icons, James McNames
published a Matlab script to generate a palette of colors that are
linearly spaced along the luminance axis. The intention was to allow
illustrations in publications to be colorized, while still retaining
readability when printed in greyscale, but it may be useful here as a
palette for the artists. I've attached an example 64-color palette; the
script has several tweakable parameters, and should run in Octave as well.
Matlab script and paper:
http://bsp.pdx.edu/Software/
Here's a related approach, although it doesn't span the color space quite
as well in my opinion:
http://blogs.mathworks.com/steve/2006/05/09/a-lab-based-uniform-color-scale/
Cheers,
-Brennan
GIMP Palette
Name: LinearLuminance
Columns: 0
#
255 255 255 White
250 255 248 Off White 1
249 253 239 Off White 2
250 247 231 Off White 3
253 238 225 Off White 4
255 226 223 Pale Pink 1
254 213 225 Pale Pink 1
248 200 232 Pale Pink 1
237 190 240 Pale Purple 1
221 186 249 Pale Purple 2 #(10)
202 188 254 Pale Purple 3
181 196 254 Pale Blue-Purple
163 210 246 Pale Blue 1
150 226 231 Pale Blue 2
145 242 208 Pale Blue-Green
150 252 181 Sea Foam Green
164 254 153 Pale Green
184 246 128 Yellow-Green
209 227 110 Pale Yellow
232 199 104 Pale Orange #(20)
248 164 110 Orange
255 128 128 Burnt Orange
248 95 155 Mauve
227 72 187 Reddish Purple
193 62 218 Magenta
151 68 242 Purple
107 89 254 Deep Purple
66 122 249 Blue
36 161 227 Jade
22 200 190 Turquoise #(30)
27 232 142 Blue-Green
50 248 91 Green
87 244 46 Neon Green 1
130 220 14 Neon Green 2
170 180 2 Dirty Yellow
199 133 8 Dirty Orange
213 85 30 Dark Orange
209 44 62 Light Red
189 15 99 Red
157 2 132 Purplish Red #(40)
118 3 158 Dark Magenta
78 18 171 Dark Purple
43 43 170 Very Dark Purple
17 71 155 Dark Blue
3 98 130 Dark Blue-Green
1 118 99 Dark Turquoise
10 129 67 Camo Green
27 129 38 Dark Green 1
47 119 16 Dark Green 2
66 100 4 Dark Yellow-Green #(50)
81 77 0 Mud
89 52 5 Red Mud
88 30 15 Charred Orange
80 14 28 Deep Red
66 4 39 Dark Red
50 0 47 Midnight Purple 1
33 2 50 Midnight Purple 2
19 7 47 Black-Purple 1
8 12 40 Black-Purple 2
2 16 30 Effectively Black #(60)
0 17 20 Off Black 1
0 14 10 Off Black 2
1 8 4 Off Black 3
0 0 0 Black
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