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HSL Relative Luminance

Calculate the relative luminance of an HSL color to determine its visual weight in a UI.

Luminance is a measure of the perceived brightness of a color. This tool extracts the luminance component from HSL values, enabling developers to build programmatic color systems that adjust contrast dynamically based on the background color's brightness. Developing with a focus on luminance ensures that UI elements remain legible regardless of the theme (dark vs. light mode). By quantifying visual weight, architects can create more sophisticated, accessible, and aesthetically pleasing color palettes that respond intelligently to user preferences.

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