README.md

EvaluationContext.Colour

A DAX UDF library for manipulation of hex colours for Power BI

Getting Started

1. Download the library from DaxLib
2. Install using TMDL view
3. Start using the functions in your measures

For detailed examples, check out our example PBIP file.

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Function Categories

Conversion Functions

• Hex.ToInt - Convert hex colour to integer format
• Int.ToHex - Convert integer to hex colour format
• RGB.ToHex - Transform RGB values to hex colour
• HSL.ToHex - Convert HSL color to hex format

Hex Colour Manipulation Functions

• Hex.Hue - Extract hue component from hex colour
• Hex.Saturation - Extract saturation component from hex colour
• Hex.Luminance - Extract luminance component from hex colour
• Hex.Alpha - Extract alpha channel from hex colour
• Hex.AdjustHue - Adjust the hue of a hex colour
• Hex.AdjustSaturation - Adjust the saturation of a hex colour
• Hex.AdjustLuminance - Adjust the luminance of a hex colour
• Hex.AdjustAlpha - Adjust the alpha channel of a hex colour
• Hex.AdjustColour - Adjust multiple colour properties simultaneously
• Hex.TextColour - Determine optimal text colour (black or white) for contrast

Theme Functions

• Hex.Theme - Use pre-built color palettes
• Hex.LinearTheme - Build linear color themes
• Hex.Interpolate - Create smooth color transitions between colours

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Full documentation is available at our GitHub Pages site.