Summary
ArcMap color ramps provide the means to apply a range of colors to a group of symbols. Color ramps are used, for example, in the Graduated colors layer symbology option. ArcMap algorithmic color ramps are a specific type of ramp that traverses the color spectrum between two end colors.
Procedure
Follow these steps to create a new algorithmic color ramp in a style and edit its properties.
- Open ArcMap.
- Open the Style Manager by clicking the Tools menu, click Styles, and click Style Manager.
- From the left pane select the style where you want to create the new color ramp, for example, your personal style.
- In the right pane double-click the Color Ramps folder.
- In the right pane right-click in the pane, click New, then click Algorithmic Color Ramp.
- On the Algorithmic Color Ramp properties dialog box, pick the start and end colors. Click Color 1 and use the dropdown arrow to select the start color. Click Color 2 and use the dropdown list to select the end color.
![[O-Image] Algorithmic Color Ramp Properties](https://webapps-cdn.esri.com/CDN/support-site/technical-articles-images/000005344/00N39000003LL2C-0EM39000000wchB.png)
- Click an algorithm.
- Adjust the levels of black and white in the ramp using the sliders.
- Click OK to close the dialog box.
- In the Style Manager, give the new color ramp a name.