February 20, 2017


Carto tips: Using blend modes and opacity levels

Colour is one of the main graphic elements that a cartographer uses to make their map clear to read. Amongst other things we use colour to create familiarity, to differentiate features and to create a clear visual hierarchy. There are many things we can do to the features on our maps to change their appearance and many techniques we can apply to adjust the colours. Adjusting opacity levels and applying blend modes are the two techniques that we will explore in this post and we will look at some examples of how we can use them together to create effective visualisations.


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