This topic shows you how to use Modifiers to apply changes easily over the entire map style. You can make styling overrides while still maintaining finer control over individual layers in the Attributes.

The Modifiers represent the most common style attributes grouped by category, while the Attributes panel contains all available styling options for each selected Layer.

Modifier usage

  • Application order - The modifiers are applied from bottom to top. This is relevant for the Base Adjustments, where a Color Tone is applied on top of any changes made to Hue/Saturation or Brightness/Contrast. For example, to create a monochromatic map, you can remove all saturation from the map using Hue/Saturation, then apply a Color Tone on top of this de-saturated style. You can then make changes on top of these base style adjustments using the modifier groups.

Color Tone

Using Color Tone on top of a de-saturated base map style.

  • Color blend modes - For color modifiers, you can set the blend mode to normal, multiply, screen, or overlay. Normal is the default. Setting to other blend modes allows you to add more fine-tuned color tints and shades to your layers rather than completely replacing the underlying colors.

    Blend Modes

    Different blend modes using the same roads fill color.

Modifier types

There are two types of Modifiers:

  • Groups target select layers and attributes.
  • Base Adjustments affect all layers of the base style.


Groups are pre-defined collections of the most common layers and attribute types.

  • Click on ROADS to select among options to set fill and outline colors, label colors, and line widths. These settings override styling for each of the street classes for all zoom levels.

  • Click on LANDUSE to set background and label fill colors. The most common categories are represented here, with more options available directly within the Landuse layers.

  • Click on WATER to set the color for all water fills and labels, as well as label size.

  • Click on BUILDINGS to set the color for the buildings layer and address labels.

  • Click on POI to adjust POI label size and color.

  • Click on PLACES to adjust label color and size for localities such as major cities and neighborhoods.

  • Click on BOUNDARIES to style state and country boundaries.


There are additional options available in the Attributes panel for more granular styling needs. For example, tunnels and bridge outlines can be styled separately, as well as more specific landuse types such as cemetery, glacier and zoo.

Base Adjustments

  • Click on COLOR TONE to select it, then turn it on by clicking on the icon to the right. Use this setting to blend in a color with the high, mid, and low color values of the map style. Try modifying the high or mid tones on a lighter map style, and use the mid and low tones on a dark map style.

  • Click on HUE/SATURATION to select it, then turn it on by clicking on the icon to the right. Use this setting to adjust the overall hue, saturation, and value of the map style.

  • Click BRIGHTNESS/CONTRAST to select it, then turn it on by clicking on the icon to the right. Use this setting to increase or decrease the brightness and darkness of colors to affect the contrast between layers.

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