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

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4
votes
2answers
322 views

Color based on (discrete) derivative of function

I am making a very basic stock simulation. I want ListLinePlot to color my stock viewer based on whether the price went up or down from the previous price. Here is ...
9
votes
1answer
229 views

Error Using Sow in DensityHistogram with ColorFunction

To find the color values used in a plot, I was using Sow as shown here: ...
8
votes
1answer
572 views

Discrete coloring in Plots

I would like to have a plot that is filled to the axis with Green if the y value is greater than 10, and ...
12
votes
2answers
369 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 ...
9
votes
4answers
637 views

Color change of area under a curve

I am trying to set a graph to show the value of the equity of an investment based on whether the portfolio is invested or in cash. I tried using the ColorFunction, ...
16
votes
2answers
731 views

Exporting a dashed plot with a color gradient to a vector graphics format ruins the dashing

When exporting a dashed plot with a color gradient to a vector graphics format such as EPS or PDF, the dashing is partly ruined. For example, this command: ...
8
votes
4answers
3k views

Coloring Points in a List Plot [duplicate]

Possible Duplicate: ListPlot with each point a different color and a legend bar I want to color the points in a list plot using a function of the (x,y) values. I tried this (example with ...
28
votes
1answer
397 views

Is there a way to access the (lexically) current colour inside Graphics?

Note that this is not a duplicate of the question over there. That one asks for a given point, while I'm asking about the lexical structure (which, of course, is not directly related to any point in ...
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. ...
12
votes
1answer
625 views

PieChart with radial coloring/color function

I am trying to visually compare multiple functions that depend on a single argument running from $0$ to $1$. They describe a radial property and so I thought it would be nice to use a kind of ...
8
votes
1answer
395 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
1answer
461 views

Color linear interpolation of ParametricPlot3D

I am looking for any ideas about how to colorize an ellipsoid with a custom gradient style or by a Blend function. I would like to colorize ellipsoid as follows: ...
22
votes
5answers
1k views

Morphing Graphics, color and location

I would like to make a small animation : 1-We start with a random distribution of gray points : ...
10
votes
4answers
1k views

Height-dependent filling color in 3D Data Plots

I would like to have the filling of my ListPlot3D display the same color than the one applied to the data. This question makes sense only in the case of conditional coloring of data (according to ...
17
votes
2answers
4k views

How to save plots in grayscale

As sophomoric as this question seems, how should I save plots in grayscale in Mathematica? I generally like eps images for their scalability and I use ghostscript or other third party perl scripts ...
11
votes
4answers
4k views

How to change default notebook background color?

How does one change the default notebook background color?
15
votes
4answers
787 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 ...
14
votes
3answers
1k views

On coloring the faces of a surface differently with parameter-dependent colors

Old versions of Mathematica ($VersionNumber < 6) supported a particular syntax of ParametricPlot3D[] that allowed for ...
38
votes
4answers
4k views

How to change the default ColorData used in Mathematica's Plot?

This question leads on from the recent question What are the standard colors for plots in Mathematica? There it was determined that the default color palette used by ...