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

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2
votes
1answer
134 views

Color a single contour from a ListContourPlot3D using values from a list

I want to map an electrostatic potential onto a density map. How can I color a single contour from a ListContourPlot3D using the values from another list? Make ...
7
votes
1answer
109 views

How to replicate v9's color conversion to LAB under v10

Mathematica 10(.0.0) appears to use a different flavor of the LAB color space, but I would like to emulate the same behavior observed in version 9(.0.0). v9 ...
1
vote
0answers
69 views

How to properly set ColorFunction and Specularity in ReliefPlot [closed]

I have two questions about ReliefPlot: How can I set the Specularity without changing ...
0
votes
1answer
82 views

How to colorize curves intersection in a manipulate function

I need to show the intersection area of two curves, using the manipulate function in Mathematica. Here's a fully working example, and a preview below it : ...
3
votes
2answers
78 views

Automatically highlighting or coloring specific terms

I am using Mathematica to perform Newton quasi-linearization of the non-linear terms during discretization of PDEs for numerical solution. These expressions can involve tens of terms (depending on the ...
2
votes
2answers
82 views

Special Coloring of two 3D Graphics with same values

As you can see in the picture below, I have plotted three different functions. Since two functions (red and blue) have the same value for a certain region (equity > 60), I was wondering how I can make ...
1
vote
1answer
102 views

Color of lines in ParametricPlot3D

I have a function of two variables which returns a vector of three components. For example func[l_,t_]:={ x=.... y=.... z=.... {x,y,z}} Now I ...
3
votes
2answers
166 views

ListDensityPlot with discrete values and colors

I have a file with mesh points and a value that indicates the domain the point belongs to https://www.dropbox.com/sh/ll9hb3oxxreufsg/AABvU7nufHhyHY3W4ausanJ6a?dl=0 I would like to plot using ...
10
votes
2answers
408 views

How do you convert RGBColor to an HTML-style string?

If I run some color processing function, like: Blend[RGBColor /@ {"#DC4E00", "#000000", "#822250", "#FCC11B"}] I get back a ...
6
votes
1answer
121 views

Plotting piecewise functions with distinct colors - issue found [duplicate]

I've been making use of the following thread: Plotting piecewise function with distinct colors in each section A handy feature I found there goes as follows: ...
32
votes
2answers
10k views

What are the standard colors for plots in Mathematica 10? [duplicate]

Mathematica 10 release appears to have changed the default styling of plots: the most visible changes are thicker lines and different default colors. Thus, answers to this stackoverflow question are ...
3
votes
1answer
95 views

SmoothHistogram3D with a ColorFunction representing z-values of the data set

I'd like to make a 3d plot of a list of {x, y, z} points, where the height of the plot scales with the density (as in histogram) of the xy-values and the color ...
3
votes
1answer
103 views

mask specific range of RGB color frome an image with lower and upper threshold

I'm trying to detect a specific range of RGB color from an image with the lower threshold [180.150.0] and upper threshold [255,255,150]. I am just new on Mathematica please help me with clear details....
5
votes
2answers
2k views

How to color lines in Epilog

I often use Epilog to label lines within graphs, and I like to coordinate the color of the labels with the color of the lines they're labeling. This is no problem. However, I'm currently working on a ...
21
votes
1answer
1k views

Is it possible to insert new colour schemes into ColorData?

Because of the standards in my field, for many plots I need to use (or at least end up using) rather narrowly defined colour schemes, and in particular the Matlab "Jet" scheme, which is well described ...
3
votes
1answer
81 views

Colour of lines in ContourPlot3D

How do I change the colour of these lines from black to, let's say, red? ...
6
votes
2answers
292 views
29
votes
2answers
1k views

How can I use Kenneth Moreland's “Diverging Color Maps for Scientific Visualization” in plots?

I often want to plot two dimensional data that is centered around zero (for me, this is usually a 2D optical spectroscopy signal, but there are other cases), and the MATLAB "Jet" color scheme is ...
2
votes
1answer
207 views

Polar color coding for complex function plots?

Having browsed this Q on plotting complex functions and the Zeta page, I don't see anything as nice as this plot from Matilde Marcolli's slides "Geometry and physics of numbers". Looks like ...
2
votes
1answer
128 views

ListDensityPlot — bar legend colors inconsistent with plot value coloring [duplicate]

I want to make a ListDensityPlot of an array of values that happen to be 1. To mimic this, use: ...
14
votes
6answers
909 views

Default Chart Color Doesn't Match

I have looked through other posts to find out what the default plot color is, but when I use it, the color doesn't seem to match. Can anyone explain why I'm seeing different output? The reason I ask ...
4
votes
2answers
167 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...
41
votes
4answers
2k views

Is there an easy way to use Matteo Niccoli's perceptual color maps for 2D plots in Mathematica?

I have been using the ubiquitous Jet color palette for 2D plots for some time now, and don't really care for it. Then I came across the series of blog posts, The rainbow is dead...long live the ...
1
vote
2answers
120 views

Matching colors in BarLegend and colorfunction

How I can use Hue as color function in BarLegend in this density plot? ...
1
vote
1answer
123 views

Can't get rid of vertical background color

I am trying to use GraphicsGrid, the background option is set to white, as well as for the separate graphs. But there are still grey stripes. What is the reason for ...
-1
votes
1answer
91 views

Is it possible to colour only one column of a matrix? [closed]

I was wondering if it's possible to colour a column or a row in a matrix. For example is it possible to add colour for one of the rows/columns of the following matrixform code? ...
25
votes
11answers
4k views

How to convert a hex color string to RGBColor?

For example: "#FF8000". How could I convert it to RGBColor or Hue?
0
votes
1answer
107 views

How to colorize a 3D image [closed]

I have a 3D image where the values are in {1/4, 2/4, 3/4, 4/4} and its size is {134, 134, 67}. I used Image3D to display it. However, I am wondering if there is a possibility to colorize the image by ...
6
votes
1answer
164 views

Is it possible to apply a ColorGradient to a string Style?

After reading through the language reference on Style, ColorSchemes, ColorData and ColorFunction, I am at a loss as how to make a string appear with gradient colors. And now that I am curious, I am ...
3
votes
1answer
150 views

default RGB coloring

I am playing with some basic genetic algorithms to recreate input images by transparent plane figures (similar like here:). Everything would work great but the speed is terrible. I was looking for a ...
1
vote
0answers
71 views

Ergonomic night time reading settings [duplicate]

I was wondering if Mathematica had a built-in ergonomically safe night time reading mode for the notebooks. I was thinking of setting something up myself but I do not know the ergonomics/eye safety ...
4
votes
1answer
157 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: ...
1
vote
1answer
369 views

Filling between ParametricPlot and Plot

There are some similar questions: (1) (2) have been ask, but I think this is a different one. If we have a ParametricPlot and a ...
3
votes
1answer
101 views

DensityPlot with the same color scale in Show

I am trying to align color scale for continuous plots that have different ranges. Here the color scale exhibits a discontinuity even with the same PlotRange ...
2
votes
1answer
83 views

ColorDataFunctions applied to Tables of Graphics?

I'm trying to make a graphic according to a List, n. n has integer values that go from ...
1
vote
1answer
115 views

How to color-code a 3D point plot

I am doing a Finite Difference Method for 3D heat diffusion, so I need my ListPointPlot3D to be color coded on a range from deep red to deep blue depending on the temperature of the point. My ...
18
votes
1answer
298 views

Color degrades when using Copy As Bitmap

I have discovered a problem that affects my use of Mathematica. When I use the menu command Edit > Copy As > Bitmap the colors in the copy are subtly degraded. To make this more apparent I copied ...
3
votes
2answers
144 views

Color vector according to angle

One can use the function VectorColorFunction in VectorPlot3d to color vectors according to their norms. How to color vectors ...
7
votes
3answers
217 views

ListPlot will not color markers in accordance with my color function

I have the following color table: colTable = {{Black}, Table[{Blend[{Blue, Green, Yellow, Red}, x]}, {x, 1/2000, 1, 1/2000}]}; colTable = Flatten[colTable]; ...
2
votes
1answer
49 views

Plot a function that gives a color [duplicate]

I have a function that takes in two numbers and returns a RGB color. I would like to plot that function on a 2D surface. How can I do that?
3
votes
3answers
339 views

How do I interpolate a set of points with colour varying along the curve?

I have a table with 3 columns - x position, y-position and colour. I'd like to plot these points and join them with line segments, where the colour of the line segment is determined by 3rd variable. e....
0
votes
0answers
22 views

How to get an image when having indices of pixels [duplicate]

I am doing a perspective projection of a list of voxel V={v1,v2,v3,...,vn} using the perspective projection matrix 3*4 to get the indices of each pixel pi=(xi,yi). pi=P*vi Once I get the indices, I ...
2
votes
2answers
89 views

mesh vertex coloring

So I created a mesh like this: mesh2 = ToElementMesh[FullRegion[2], {{1, 10}, {1, 10}}, MaxCellMeasure -> 1.]; and want to plot it, coloring the squares: <...
0
votes
0answers
43 views

ColorFunction on a surface [duplicate]

I have a surface in 3D space which is defined by equation in ContourPlot3D. For simplicity let me use x + y == z surface (in reality I have a transcendental ...
11
votes
3answers
540 views

How to speed up Colorize

I have a list of about 500 images similar to the following: A = Import["http://i.stack.imgur.com/1bV4O.png"] ...
4
votes
2answers
435 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
1answer
190 views

puzzled with ColorData [closed]

At first let me thank, from this point as well, those that they replied to my previous queries. From a reply I got, I obtained finally the desired graph. ...
3
votes
1answer
133 views

How to pick a color differing significantly from the colors already in a given color list?

Suppose that we want to color a number of objects. We start by selecting some color (randomly). Then we want the color of the next object to be significantly different from the colors already used (...