Most boundary layers should be presented as outlines with no fill (in Analyst, use No column (single symbol)) since these layers are primarily used to show explicit distinctions between geographic areas.
School Districts: No column (single symbol) — Fill: None • Stroke: 1px #666666 • Opacity: 80%
Default column
Example layers
Census County
Census Tract
School Districts
Default column
No column (single symbol)
Default column style
Fill: None
Stroke: 1px #666666
Opacity: 80%
If the column displayed is...
Fill:
F7FCFD
D5E3EF
AAC3DE
8F95C6
8A5DAA
812186
4D004B
Stroke: 1px #CCCCCC
Opacity: 80%
Numeric column example
Food Environment Atlas: Population w/ low access to store — Fill: Multiple colors (above) • Stroke: 1px #CCCCCC • Opacity: 80%
Fill:
1F77B4
FF7F0E
2CA02C
D62728
9467BD
E377C2
7F7F7F
Stroke: 1px #FFFFFF
Opacity: 80%
Categorical example
Neighborhood Boundaries: County column — Fill: Multiple colors (see above) • Stroke: 1px #FFFFFF • Opacity: 80%