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I have created a map of the United States with concentric circles around a geographic point, namely Detroit. I was able to give the different circles around the city colours of different grey shading. To do so, I used ArcMap's colours grey10-grey80. This is the result: enter image description here

I have tried to reproduce the same map with a different colour shading. Ideally, I would like to have colour gradiation of different blue shades. The problem is that there exist too few and only very irregular predefined blue tones. I tried creating equal shades with ArcMap's colour selector but the result were irregular colours too. In the resulting map below, for example, some differences between the colours are barely visible, others are too large. enter image description here

Because of that, I would like to ask if there exist any predefined shades of blue tones that give a clear (and aesthetically pleasing) result where differences are consistent and clearly visible like in the first (grey) map.

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2 Answers 2

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You could use a site like colour brewer the get the RGB or HEX values for a sensible sequence of blue colours. I've set the link above to already show you a sequence of 8 blue colours.

You can then manually add these into ArcMap and save them as a default style. The style will then be available in all future map documents.

If you don't know how to add the colours and save them as a style, leave a comment & I'll edit this answer to also walk you through the process.

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    This is exactly what I was looking for. Thank you very much for such a simple solution to my problem. The colour brewer you linked comes in very handy for me.
    – eigenvector
    Commented Apr 3, 2017 at 9:16
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    To compliment Dan's answer here is a thread linking to a ArcMap style file which has the colorbewer styles, so no need to copy RGB values, just add it to your ArcMap and use.
    – Hornbydd
    Commented Apr 3, 2017 at 22:19
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You can use any existing blue color ramp and modify the range as you like as you can see below:

enter image description here

Right-click on the Color ramp -> Go to Properties:

enter image description here

You can change the blue range of the two colors as you can see below:

enter image description here

Here is the result:

enter image description here

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  • Thank you for the answer. This looks good. For now I go with Dan_h_b's answer (hence accepted) because it is a bit faster and I currently don't have much time but I will keep your answer in mind for the future.
    – eigenvector
    Commented Apr 3, 2017 at 9:18

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