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

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4
votes
2answers
291 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 ...
17
votes
2answers
3k 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 ...
9
votes
1answer
207 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
463 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
327 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 ...
16
votes
2answers
598 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: ...
26
votes
1answer
348 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 ...
8
votes
4answers
2k 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 ...
8
votes
1answer
353 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 ...
9
votes
4answers
948 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 ...