Questions on the color models, schemes, named colors and color functions supported by Mathematica.

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5
votes
2answers
805 views

What is the default ColorFunction for 3D plots?

This should be a really simple question, but it isn't in the documentation for some perverse reason. I like the default ColorFunction that Mathematica uses for ...
1
vote
2answers
269 views

How to blend some colors on a curve

I need to define a color gradient on a 3D curve, but I'm having some problems with this. Suppose we have a 3D curve defined as a parametric function of some real variable ...
11
votes
1answer
262 views

What is the default ColorFunction for Image3D?

What is the default ColorFunction for Image3D? I find it a bit confusing that the most intense colour is not shown where the ...
4
votes
1answer
292 views

How can I colorize an imported model?

How can I colorize an imported model from for example 3ds max? I'm trying to find the way to colorize a 3D plot from an imported model with something like this: ...
4
votes
1answer
389 views

Creating multicolored meshed plots (connected scatter plots) using ListPlot

I would like to make colored scatter plots where the dots are connected by lines. I have tried the following, using Joined->True to connect the dots and ...
3
votes
2answers
428 views

Color of a plane in Contourplot3D

I have the following code example: ...
2
votes
2answers
153 views

How can I remove edges from my DiscretePlot?

By default, DiscretePlot displays "edges" along the sides and, prominently, align the top when ExtentSize -> Full is set. For ...
1
vote
1answer
880 views

Use selfdefined ColorFunction to encode z dimension with predefined limits

In my last question we defined a colorfunction cf. Now I want to use this ColorFunction for a number of different plots (...
20
votes
4answers
692 views

How can I get the color of overlapping disks to be equal in any order?

When Graphics is used, necessarily the objects come in order. This affects which ones obscure others. When Opacity is not 1, it also affects the color. I would like the color of overlaps to depend ...
17
votes
3answers
2k views

Mathematica color schemes for the colorblind

Does Mathematica have a graphics option that makes plots intelligible for people with colorblindness?
11
votes
4answers
4k views

How to change default notebook background color?

How does one change the default notebook background color?
3
votes
1answer
267 views

How can I create a colour image using raw black and white data? (FITS data cube)

I have a data cube containing pictures of a galaxy across a thousand wavelengths. I want to take the data for the image slides in the red and blue parts of the spectrum, and have them represented in ...
19
votes
1answer
476 views

Color scheme used by Colorize?

The Colorize function is often used to display the results produced by MorphologicalComponents: ...
10
votes
2answers
1k views

ColorFunction in Histogram[]

Let's say I have a Histogram: Histogram[RandomVariate[NormalDistribution[10, 2], 500]] and I want the bars positioned to ...
15
votes
4answers
806 views

How can I create a ColorFunction using Blend?

As shown below, I am trying to find a cool way to show some variance weighted deviation from the mean. There are 10 attributes that I compute the distance for. How can I add a color function such ...
10
votes
2answers
4k views

Use different ColorFunction for each function plotted

When plotting two curves on one plot, you can specify different colors for each function: Plot[{Sin@x, Cos@x}, {x, 0, 4π}, PlotStyle -> {Red, Blue}] To ...
9
votes
1answer
171 views

Mathematica's “POV” export format ignores ColorFunction

I was playing with xslittlegrass's Pov-Ray package and more generally with the POV-conversion function ExportString[#, "POV"] &, and noticed that ...
9
votes
0answers
209 views

Break[] inside ColorFunction

f[x_?NumericQ]:= (Do[Break[],{i,1,2}];x) Plot[x,{x,0,1},ColorFunction->(ColorData["Rainbow"][f[#]]&)] Break::nofwd: No enclosing For, While, or Do found ...
6
votes
2answers
1k views

Plot3D with coloring based on phase value of f

I'm reading a sample chapter of Visual Complex Functions by E. Wegert. Near the bottom of this page, there is a link "Download Sample pages 1 (pdf, 2.4 MB)" which allows you to read Chapter 2 of the ...
9
votes
3answers
237 views

Match colors to plot themes

How do I get the colors to match the plot theme when I use a PlotLegend that is separate to the plots? I have had a look at How to access new colour schemes in ...
6
votes
2answers
90 views

RGBColor, ColorSlider and ColorSetter

A single RGBColor expression displays as a little square, showing the color. I just found that this little square is both a tooltip and a button. It seems to be new ...
16
votes
1answer
473 views

Is ColorDistance symmetric?

Is the function ColorDistance symmetric, i.e. is it always true that ColorDistance[a,b] == ColorDistance[b,a], as use of the ...
14
votes
4answers
2k views

How can I change the color of the bar in a ProgressIndicator?

I want to change the color of the progress bar in a ProgressIndicator. I want the progress bar to be red instead of green. For this purpose I wrote the following ...
9
votes
2answers
1k views

How to calculate mix of 4 colors defined in CIELAB L*a*b* model?

I have 4 colors that I converted from RGB to CIELAB L*a*b* model. How can I calculate mix of these 4 colors when I have (L,a,b) for each such color? How can I ...
8
votes
1answer
405 views

Way to find color at a point in a Graphics?

I need to figure out a way to find out the RGB color value at a certain coordinate in a Graphics object. The Graphics object I am dealing with is continually Dynamically updated, so it is made of ...
7
votes
4answers
2k views

Determining the RGB values of the default plot color

In Mathematica 7, the default plot color is a purple-like color (although I think it is not Purple). Is it possible to use Mathematica to determine the RGB color ...
4
votes
2answers
243 views

Modified Cell Different Display

Is there a way to show maybe a slightly different color, or change the cell bracketing color of a Mathematica cell when it has been modified? Ideally it would be nice to follow the standard of ...
4
votes
2answers
849 views

Define a color function based on color samples obtained from ColorBrewer

I am quite new to mathematica and I am searching for a way to create a smooth colormap based on the samples given by http://colorbrewer2.org/ . Is it possible to create a interpolated function from ...
4
votes
4answers
834 views

How to change color dynamically?

I am new to Mathematica and want to change the FillingStyle Dynamically in this Plot. I want ...
10
votes
2answers
1k views

Coloring each face of a Cuboid with a different color

Is there a way to color each face of a Cuboid with a different color? I looked in the help but couldn't find anything. I found this Coloring the faces of a 3D ...
8
votes
3answers
996 views

256 Shades of Grey

I noticed that the following line, Image[Table[x, {y, 1, 250}, {x, 30/256, 40/256, 0.02/256}], Magnification -> 1] results in the following image: In the ...
8
votes
3answers
225 views

Quickly display a color graphically

When manipulating colors, the output is shown as a textual expression like Hue[1/5], RGBColor[2/3, 1, 1/3], ...
6
votes
2answers
510 views

Combining three R, G, B matrices into a single matrix of 3-tuples?

Working with Mathematica 8 on OSX here. I have three $1024 \times 1024$ matrices representing the counts from consecutive exposures onto a CCD with $R$, $G$, and $B$ filters on it, and am looking to ...
6
votes
3answers
746 views

Changing background colour of a Manipulate element

Please consider the following: Manipulate[Plot[Sin[x (1 + a x)], {x, 0, 6}], {a, 0, 2}]; Now, I would like to change the background colour to yellow. I tried ...
5
votes
1answer
1k views

ListContourPlot-ColorFunction

How can I use ONLY the central 90% of the spectrum, not the whole range? For example, I do not like to see the lowest values in purple, but in deep blue color. ...
3
votes
3answers
216 views

Plot sublists as different colors

I have one big list with many sublists inside. All sublists consist of three numbers. For example: ...
1
vote
1answer
978 views

PlotStyle in ListPlot: change color scheme, manually choose color of first plot

Say i have this data: data1 = Map[Cos, Range[0, 20]]; data2 = Map[Sin, Range[0, 20]]; And i want to plot data1 in gray and a ...
12
votes
2answers
373 views

Using uniform coloring in MatrixPlot

I have a rectangular matrix, which is m-by-10. Each element is either 0 or 1. I would like 0 to correspond to white elements, and 1 to red elements. This works ...
11
votes
2answers
265 views

can a ColorFunction have side effects?

Can anyone explain this (to me) odd behavior. If I run this code once (fresh kernel) it works as intended. ...
7
votes
2answers
181 views

Why does StreamColorFunctionScaling refuse to turn off?

Consider this simple streamline plot: StreamPlot[{-y/10, x/10}, {x, -1, 1}, {y, -1, 1}, StreamColorFunction -> Function[{x, y, u, v}, Hue[v]]] The ...
6
votes
2answers
455 views

Problem achiving effect I want with ColorFunction

I want to create a plot showing historical annual maximum and minimum temperatures. I've figured out how to get 10 years of historical temperature data from Wolfram|Alpha. The plot below shows the ...
5
votes
5answers
327 views

Plot all curves in a table with a single color

I want all of my solutions in a table to be the same color. My attempt: ...
5
votes
3answers
470 views

How can I set different opacity values for the background of a ListPlot

In the following example: ListPlot[{1, 2, 3}, Background -> Green] how can I set the Opacity[] for the background such ...
5
votes
3answers
759 views

ColorFunction and/or ColorScaling issue with ParametricPlot3D

My goal is to use ColorFunction to color a cylinder based on the $z$ value of a separate Plot3D. I'm not sure if I am making a ...
4
votes
2answers
100 views

ColorFunction uses graphics coordinates instead of Plot3D coordinates

I've had the same effect in Mathematica 9 and 10. I'm trying to color a 3D Plot with another function, let's call it colorFun ( it should highlight the areas where the colorFun is above a certain ...
4
votes
2answers
174 views

Overlapping Spheres with a Shared Blank Region

We have two similar overlapped spheres in a way that the distance between their centers is smaller than the sum of their radius (2R>a). As I show here: Also, we want to draw them in a such way that ...
4
votes
1answer
86 views

What are all the Properties that ColorData supports?

The documentation for ColorData reads: Possible properties in ColorData["scheme","property"] include: ...
4
votes
2answers
189 views

Character display color

I'm looking to cause the front end to display individual characters in a specific color, just in general, as a default sort of thing. For instance, the character "1" would always display as a red 1, ...
3
votes
1answer
175 views

How can I combine two color schemes for plotting?

I want to use ListContourPlot to display all negative values using one colorscheme and all positive values using another color scheme. This question Define a color function using Piecewise gives some ...
3
votes
3answers
193 views

How to shade a plotted region in specific direction?

I am using RegionPlot to plot a linear program maximize 30x1+25x2 with the constraints ...