Data visualization color palette

1. What colors are used for data visualization?
2. How do you determine the color palette in your plots?
3. How many colors are there in data visualization?

What colors are used for data visualization?

Use warm colors & blue

There's a complementary color combination that is especially loved by data visualization designers: yellow/orange/red and blue.

How do you determine the color palette in your plots?

The most prominent dimension of color for a sequential palette is its lightness. Typically, lower values are associated with lighter colors, and higher values with darker colors. However, this is because plots tend to be on white or similarly light backgrounds.

How many colors are there in data visualization?

While the use of different colors can help distinguish between different data points, a chart should at most comprise of 6–8 distinct color categories for each of those to be readily distinguishable.