Styling coastlines

Colors

Land

1. Inner line | #6D87A0 | 50 pixels

2. Middle line | #B2BFC7 | 100 pixels
3. Outer line | #D5DADB | 150 pixels

Water

Styling

The opacity of the lines: 0.50

The blur of the lines: 10.00

Blend the colors better:

Checkout the Color Blender tool!

Display the water dots: