/**
 * Color Palette Utility
 * Generates beautiful, distinguishable colors for large datasets (500+ items)
 */
/**
 * Generates an array of N distinct, beautiful colors
 * Handles up to 1000+ colors with good visual distinction
 */
export declare function generateColorPalette(count: number): string[];
/**
 * Gets a single color for a given index
 * Optimized for performance when you don't need the full palette
 */
export declare function getColorAtIndex(index: number): string;
/**
 * Generates a gradient between two colors
 * Useful for sequential data visualization
 */
export declare function generateGradientPalette(startColor: string, endColor: string, steps: number): string[];
/**
 * Default color palette for pie charts (optimized for readability)
 */
export declare const PIE_CHART_COLORS: string[];
/**
 * Categorical color palette (high contrast, distinct colors)
 */
export declare const CATEGORICAL_COLORS: string[];
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