Matplotlib legend background color white. get_legend_handles_labels() # Let's .
Matplotlib legend background color white Syntax: matplotlib. If shadow is activated and framealpha is None, the default value is ignored. In my piechart, I have both the labels and the autopct enabled. set_linewidth(0. Aug 27, 2024 · Here, we set the facecolor to black and then use plt. e. Jul 11, 2012 · @punkkat When adding patches (which Circle is) to be added to a legend, it is not the patch itself which is added, but a new Rectangle patch is created with exactly the same properties (color, hatching, alpha etc. pyplot as plt import numpy as np # Create sample data x = np. 5) doesn't make any difference in transparency. Matplotlib, a powerful plotting library for Python, offers various ways to customize the appearance of your plots, including setting the background color. (NB - I don't want the whole subplot's margin to be colored, but just the tick label). gca() # Call get_legend_handles_labels() # this returns both the handles (the lines on the left side of the legend) # And the labels: the text in the legend handles, labels = sp. Jun 28, 2017 · Note that from matplotlib version 2. legend( ["title_1", "Title The issue I have a plot with 2 y-axes, each corresponding to a set of lines. To add a basic legend to your plot, you can use the label parameter when plotting and then call plt. Implementation: Example 1: In this example, we will draw different lines with the help of matplotlib and Use the facecolor argument to plt. Here's a simple example: import matplotlib. legend without any arguments and without setting the labels manually will result in a UserWarning and an empty legend being drawn. '0' : black '1' : white Dec 23, 2020 · In this article, we are going to add a legend to the depicted images using matplotlib module. Specific artists can be excluded from the automatic legend element selection by using a label starting with an underscore, "_". pyplot, plt. get_legend_handles_labels() # Let's Feb 8, 2021 · Edit: The issue I have with my example further below I also can recreate with this: import matplotlib. Jun 9, 2015 · The following question explains how to change the background color of a legend: matplotlib legend background color. legend() method to describe and label the elements of the graph and distinguishing different plots from the same graph. Using matplotlib. I'm using matplotlib v3. g. This is because I want the legend to hide all diagram content behind it (be opaque for the diagram, see below), but later when embedded into the page, the background of the legend needs to allow the background color of the HTML page to shine through. If I add the following code to your example I can get this to work: import matplotlib. set_edgecolor('b') How to remove only the border of the box of the legend? leg = plt. The easiest workaround is just to do fig. ylabel('Y-labe Hey great answer! Just a little question. Below are examples. MWE Sep 29, 2021 · Read: Matplotlib plot a line Matplotlib change background color default. matplotlib-users _Patrick_Bradley September 10, 2007, so my background is always white, as opposed to transparent. Jul 18, 2019 · I have a contour plot for which I would like to use a legend that has a solid white background, so that the legend is readable over the contour lines. ) in the axes or figures. pyplot as plt fig, ax = plt. . How to only change color for autopct and not for labels? – Nov 22, 2018 · I would like to set the x-tick labels to have a background color (e. However, if I use seaborn this does not work. legend() leg. Sometimes you know what your data looks like before you plot it, and may know for instance that there won't be much data in the upper right hand corner. Here is a toy code, and the resulting figure. Is there a way to do this? import Jan 27, 2020 · That works nicely on the main part of the figure, but not on the legend. ) of the given patch. Let us see an example wherein we will set the legend color to red, which displays the Frequency and Periods: Sep 29, 2024 · How to Set Plot Background Color in Matplotlib How to Set Plot Background Color in Matplotlib is an essential skill for data visualization enthusiasts and professionals alike. patches as mpatches import matplotlib. I cannot seem to get savefig() to actually save a PNG file without a transparent figure background. Mar 12, 2018 · One method is to manually set the default for the axis background color within your script (see Customizing matplotlib): import matplotlib. cos(x) # Create plots with labels plt. I've also tried changing the framealpha, but nothing happens. legend(edgecolor=(0, 0, 0, 1. savefig('whatever. Share Improve this answer The Legend class is a container of legend handles and legend texts. 参考：Change Legend background using facecolor in MatplotLib Matplotlib是Python中强大的数据可视化库，它提供了丰富的功能来创建各种类型的图表和绘图。 Aug 28, 2014 · When plotting a plot using matplotlib: How to remove the box of the legend? plt. facecolor"] (default: 'inherit') The legend's background color. Sep 5, 2007 · Hi all, Can you change the background of the figure legends generated by matplotlib? I’d like to have some white-on-black figures for a few presentations that I’m giving, and I can change the figure and axes facecolor attributes accordingly (as well as the default text and axis label colors), but I can’t find an option anywhere to change the background of the legend: it still shows up as The set_facecolor() function in Matplotlib is used to set the background color of the legend. Here’s an example: Output: In this example, we’ve set the face color of the legend to light gray and the edge color to red. The legend handler map specifies how to create legend handles from artists (lines, patches, etc. autopct white fontcolor is good as pie is colored. Currently I have only been able to find how to change the label's color, but not the background. If "inherit", use rcParams["axes. sin(x) y2 = np. Sep 10, 2007 · legend bg color? Community. 0 on, the default facecolor for figures is actually white, so updating matplotlib is the fourth option available. I know how to get the effect using a text object as shown below. rcParams['axes. subplots() plt. I also have a legen Note. A string starting with an underscore is the default label for all artists, so calling Axes. Apr 20, 2015 · Is there a way to change a legend's background color using styles (or equivalently, matplotlib rcParams)? Say I set the axes background colors to grey, and I want my Dec 13, 2024 · Basic Legend Usage. pyplot as plt plt. get_facecolor(), edgecolor='none') (I'm specifying the edgecolor here because the default edgecolor for the actual figure is white, which will give you a white border around the saved figure) Aug 13, 2021 · The alpha transparency of the legend's background. Jan 22, 2021 · Change the background color of a legend. The solid lines correspond to the left y-axis, and the dashed lines correspond to the right y-axis. legend(facecolor='white', framealpha=1) will give your legend a white background without transparency. In this comprehensive guide, we’ll explore Dec 6, 2019 · Problem. Display plot. patches as mpatches sp = plt. legend Matplotlib中使用facecolor更改图例背景：全面指南. Mar 24, 2015 · Is there a way to change the font color of the legend in a matplotlib plot? Specially in occasions where the background of the plot is dark, the default black text in the legend is hard or impossib Oct 18, 2019 · plt. linspace(0, 10, 100) y1 = np. 1) does change the background color to red but using facecolor=(1, 0, 0, 0. By default the background color of the plot is “White”. plot(x, y1, label='Sine') plt. Jun 28, 2024 · Background Color (facecolor) facecolor changes the legend’s background color. ), facecolor=(1, 1, 1, 0. facecolor'] = 'black' This is in contrast to Nick T's method which changes the background color for a specific axes object. Normally plot the data. 1. We will use the matplotlib. Let’s see what was the default background color of the plot. legend(frameon=False) How to change the color of the border of the legend box? leg = plt. get_frame(). legend() to specify the legend background color. But labels are outside the pie in white is invisible as the axes background is white. facecolor"] (default: 'white'). png', facecolor=fig. white). My problem is that when I change the facecolor, nothing happens. Let’s explore some more advanced techniques for changing legend background using facecolor in MatplotLib: Jan 15, 2025 · The article explains how to customize the background color of plots in Matplotlib by creating axes objects and using the set_facecolor() method. plot(x, y2, label='Cosine') # Add legend plt. 1)) with which I can change the color but not the transparency, i. facecolor "inherit" or color, default: rcParams["legend. legend(). , using facecolor=(1, 0, 0, 0. setp () to change the text color to white, creating a high-contrast legend. Aug 4, 2024 · Matplotlib allows you to customize both the face color (the fill color of the legend box) and the edge color (the outline color of the legend box). 0) Oct 17, 2018 · The way to do this is to manipulate the handles of the legend. pyplot. Entering a string between 0~1 will result in grayscale. This is having read and tried all the suggestions previously posted, answered, cursed about and also going through the API docs a bunch of times. Feb 28, 2019 · Transparent, fancy legends¶. qszq sabn ipmqk vlhgcp iglklh cbt joopoz hlgo ugfn kora