API Reference > imodeljs-common > Symbology > ThematicGradientSettingsProps ThematicGradientSettingsProps Interface JSON representation of a ThematicGradientSettings. Properties Name Type Description colorMix undefined | number The percentage to mix in the original color with the thematic display gradient color (0-1). colorScheme undefined | ThematicGradientColorScheme The color scheme used to generate the colors of the gradient within the applied range. customKeys undefined | Gradient.KeyColorProps[] The key color values that must be provided when using a custom thematic color scheme. marginColor undefined | number The margin color used at the extremes of the gradient, when outside the applied range. mode undefined | ThematicGradientMode The thematic image mode used to generate and apply the thematic gradient. stepCount undefined | number The step count value used for ThematicGradientMode.Stepped, ThematicGradientMode.SteppedWithDelimiter, and ThematicGradientMode.IsoLines. Defined in core/common/src/ThematicDisplay.ts Line 53 Last Updated: 29 November, 2022