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

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5
votes
5answers
475 views

Providing a color function for ListPointPlot3D

Is there a way to write ListPointPlot3D expression, so when given a list of points, the the color of the points plotted is a function of the index/element number of ...
5
votes
3answers
1k views

Parameters for the CIE XYZ Color Space in Mathematica

In Mathematica, producing a color based on its RGB parameters is easy; one can use (for example) ...
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. ...
5
votes
2answers
614 views

How to extract RGB arguments as a list

Although the following lines of code work fine they are very awkward. My questions are below a = RGBColor[1, 0, 0] b = RGBColor[0, 1, 0] Is there a more compact ...
5
votes
2answers
385 views

How do I show only the intrinsic color of 3D polygons?

System: Mathematica 9, Windows 7. I want to assign a polygon a color in such a way that it is rendered in that color irrespective of any ambient light sources. In other words I want Yellow to be ...
5
votes
2answers
182 views

BarLegend using Function that uses Blend

Bug introduced in 10.0 and fixed in 10.1 I'm sorry if this is a duplicate, but I don't even know how to look for it. I had this line of code that worked on a Notebook I wrote on Mathematica 9.0: <...
5
votes
1answer
660 views

Apply color function to matrix plot

I want to apply the following color rules to a large table of numbers. I have extracted a part of the table to use as an example. I would like to assign 5 different colors to 5 different ranges of ...
5
votes
2answers
129 views

Modifying the built in graphic format of colors

Can users modify the default format of colors in the front end? Red For example, dimensions, aspect ratio, EdgeForm? The motivation is the functional ...
5
votes
3answers
847 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 ...
5
votes
1answer
371 views

How do I produce a BarLegend with the default coloring of a ContourPlot, using Legended?

I have a series of ContourPlots that I want to compare in a GraphicsRow environment. I want to add a single legend for all three ...
5
votes
1answer
374 views

Are there more pre-existing ColorFunction options?

Such as "DarkRainbow", "Rainbow", "BlueGreenYellow", and ...
5
votes
2answers
534 views

Sharp ListDensityPlot

I have some quantity varying with time (horizontal axis of the plot): it first oscillates then it has a jump (larger than the amplitude of the oscillations), then it continues oscillating. I have that ...
5
votes
2answers
422 views

How can I create an interactive ColorFunction using Manipulate?

I am trying to specify my own colors and scaling for the ColorFunction in ListDensityPlot. I have several lists of 2D values ...
5
votes
1answer
147 views

BarChart3D: varying individual bar color

I've been working with a chart like so: ...
5
votes
1answer
115 views

Continuous background color of adjacent cells

I'm trying to make continuous blocks of cells so that their background colors are the same, but without breaks of white space between them. E.g. After some recent digging, I found the option "Show ...
5
votes
1answer
115 views

Odd colourization for FourierParameters. UI bug?

The Mathematica UI colourizes the FourierParameters in the following ...
5
votes
1answer
211 views

CMYK colour using Drawing Tools

I'd like to use the Drawing Tools palette to draw objects in CMYK colour. The only way I seem able to change the colours of these objects is to use the window shown below. Edit Is there a way to ...
5
votes
1answer
336 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: ...
5
votes
0answers
55 views

How many clusters does DominantColors return?

Is there any documentation on how it automatically chooses the number of colors - does it use X-means or some other heuristic to determine the number of clusters it automatically returns?
4
votes
4answers
1k views

How to change color dynamically?

I am new to Mathematica and want to change the FillingStyle Dynamically in this Plot. I want ...
4
votes
2answers
436 views

About Hue's period

So we can see that Hue is a periodic function. Its period is 1. And the specifier from documentation. Sorry for I cannot cite my local language documentation. Let ...
4
votes
2answers
1k views

Use ColorFunction in ListLinePlot with If

The following code ListLinePlot[{2, 4, 6, 8, 10, 12}, ColorFunction -> Function[{x, y}, If[x <= 3, Blue, Red]]] should produce blue lines for $x\le3$ and ...
4
votes
2answers
509 views

Coloring a shape according to a function

I would like to create a $2D$ shape, say an ellipse, where each point in the ellipse is colored according a RGB function, so at point ...
4
votes
2answers
194 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, ...
4
votes
3answers
900 views

Color mixing or blend

Color mixing seems not only one type. Here is RGB_color_model I wrote this one: ...
4
votes
3answers
1k 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 ColorBrewer. Is it possible to create a interpolated function from those sample ...
4
votes
2answers
349 views

Plotting two functions with dependent input function

I have defined a function: myJ2[n_] := 1/n* Total[RandomVariate[NormalDistribution[0, 1], n]^2] This is basically an approximation to the gaussian integral. I ...
4
votes
2answers
182 views

How to turn a colour entity into a colour directive?

I am not experienced with Wolfram Knowledgebase queries and working with entities. What is the "correct" way to convert a colour entity into a colour directive? Example: ...
4
votes
2answers
169 views

How to customize color scheme to mimic that in Origin?

Origin is a software for plotting. The standard color scheme used by Origin is So how to mimic this color scheme in mathematica, so we can use it in DensityPlot...
4
votes
3answers
201 views

How to produce a matrix plot from 3 matrices a, b and c following RGBColor[a[[i,j]],b[[i,j]],c[[i,j]]]?

I am trying to produce a single-plot from 3 matrices, let's say: ...
4
votes
2answers
266 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
2answers
232 views

GraphPlot with black edges no rendering function

Is there any way to make the edges of a GraphPlot black without tediously writing out a long "EdgeRenderingFunction"? I guess you could ask the same kind of question about vertex labeling. For ...
4
votes
2answers
223 views

Using two color functions in a MatrixPlot

I'm trying to use two color functions within one MatrixPlot in Mathematica. Is it possible to do this? For example, using a very simple matrix: ...
4
votes
2answers
159 views

Gridding in a Nested Matrix

We have a nested matrix as: nested={{he, {{e, f, g, h}, {s, 0, q, i}, {s, 0, q, j}}}, {ho, {{e, f, g, h}, {0, u, t, i}, {u, t, 0, j}}}} and with the line <...
4
votes
2answers
451 views

Filling a plotted line both below and above the line

I'm relatively new to Mathematica. I tried looking for a solution online but couldn't find anything. I want to fill a plotted line both above the line (one color) and below (another color). For ...
4
votes
1answer
456 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 ...
4
votes
2answers
184 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
4answers
282 views

Change the colour of a ListPlot element in each iteration of Manipulate

I would like to modify the colour of dots in a ListPlot[Table[function]], e.g ...
4
votes
2answers
142 views

Change lighting in ChromaticityPlot3D

It looks to me like ChromaticityPlot3D has some default lighting, but unlike most Graphics3D functions the Lighting option doesn't seem to have any effect. However, the documentation states "...
4
votes
2answers
532 views

Colorize Grayscale Image

I have a grayscale image that contains two objects. The grayscale pixel values can be divided into three intervals where two of them represent objects and the third represents the background. The ...
4
votes
2answers
452 views

ColorFunction based on data

I have a list of numbers, and I would like to plot them using ArrayPlot (which is easy, usually :)). I would like to be able to color the elements of the plot based on the average of the list: one ...
4
votes
1answer
808 views

Calculating pleasant colors for source code or web-design

I really like when the programs or editors I use have pleasant colors. Sometimes when there's nothing else to do or sometimes when there are very important, but incredibly boring things to do, I find ...
4
votes
1answer
211 views

DensityPlot: giving the same color to a range of values

The following command DensityPlot[x y, {x, -3, 3}, {y, -3, 3}, PlotLegends -> Automatic, ColorFunction -> {"Rainbow"}, PlotRange -> {{-3, 3}, {-3, 3}}] ...
4
votes
1answer
110 views

What are all the Properties that ColorData supports?

The documentation for ColorData reads: Possible properties in ColorData["scheme","property"] include: ...
4
votes
1answer
374 views

Visualization of Gaussian Curvature

I need to visualize Gaussian Curvature of a parametric surface. There is a solution in this math.SE post. However, I'm not sure its working because when I draw a sphere it's all white, but it should ...
4
votes
2answers
312 views

CMYK colours changing

If I draw a coloured diagram like Graphics[{CMYKColor[0, 0.83, 1, 0], Rectangle[{0, 0}], CMYKColor[1, 0, 0, 0], Rectangle[{0.5, 0.5}]}] and select the red ...
4
votes
1answer
160 views

Render Graphics3D of anatomical data in color

I am trying to render a bone structure in color in Mathematica 10.3, but none of the obvious methods seem to work: ...
4
votes
1answer
1k views

How to make custom discrete color data function

Attempting to make custom discrete color data function: my custom color: is it possible to use my custom color ...
4
votes
1answer
94 views

What is the default ColorFunction for MatrixPlot?

I think the the default ColorFunction for ArrayPlot is ColorNegate[RGBColor[{#, #, #}]] &...
4
votes
1answer
130 views

Can't Get BarChart to use ColorFunction

I'm trying to get a BarChart to colour negative valued bars red and positive valued bars green but I'm having a time trying to do it. My latest attempt is: ...