Functions

The EvaluationContext.Colour library provides a comprehensive set of functions for working with colors in Power BI. These functions are organized into three main categories:

Hex Colour Manipulation

Core functions for working with hex colours directly. These functions allow you to:

  • Adjust color properties (hue, saturation, luminance, alpha)
  • Extract color components
  • Optimize text contrast

Key functions:

  • Hex.AdjustHue, Hex.AdjustSaturation, Hex.AdjustLuminance
  • Hex.Hue, Hex.Saturation, Hex.Luminance, Hex.Alpha
  • Hex.TextColour for contrast-based text color selection

View Hex Manipulation Functions →

Colour Theming

Functions for creating and managing consistent color themes in your reports:

  • Generate color palettes
  • Create smooth color transitions
  • Build linear color themes

Key functions:

  • Hex.Theme for predefined color palettes
  • Hex.LinearTheme for generating color scales
  • Hex.Interpolate for smooth transitions between colors

View Theming Functions →

Colour Conversion

Functions for converting between different color formats:

  • Convert between hex and integer formats
  • Transform RGB values to hex
  • Convert HSL colors to hex

Key functions:

  • Int.ToHex and Hex.ToInt
  • RGB.ToHex for RGB color conversion
  • HSL.ToHex for HSL color conversion

View Conversion Functions →

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