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Frequently Asked Questions

What is the range of colors that can be used in matplotlib?

For a visual representation of the matplotlib colormaps, see the “Color” section in the gallery. RGB and RGBA are sequences of, respectively, 3 or 4 floats in the range 0-1. This module includes functions and classes for color specification conversions, and for mapping numbers to colors in a 1-D array of colors called a colormap.

How do you change the color of a matplotlib plot?

To add a color map call matplotlib.pyplot.scatter () method with cmap parameter. To define x-axis and y-axis data coordinates, we use linespace () and sin () function. To create a scatter plot, we use scatter () method. We pass c parameter to set the variable represented by color and cmap parameter to set the colormap.

What is the default color in Matplotlib?

By default, we the scatter markers of blue color. We’ll see examples of scatter plots where we set the edge color of the plot. To set an edge color of the scatter markers, use the edgecolor parameter with the scatter () method. Here we pass the parameter edgecolor, color to the scatter () function and set its value to black and lime respectively.

What is the difference between RGB and RGBA?

The RGB color space is used to calculate the color of each pixel that can be displayed on the screen. The RGBA color space is a color space that includes an extra channel (alpha channel) for representing the transparency information of an image. An RGBA color is composed of four channels, where each channel is represented by 8 bits.

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