export interface StackColorMapping {
    accent: string;
    background: string;
}
export declare const DEFAULT_COLOR_MAPPING: StackColorMapping;
/**
* Get color mapping for a given accent color
* Used by StackCard component to apply border and background colors
*
* For predefined palette colors, uses hand-picked lighter shades.
* For custom colors (from ColorPicker), computes the lighter shade dynamically.
*
* @param accentColor - The accent color hex code (e.g., "#6C5CE7")
* @returns StackColorMapping object with accent and background colors
*/
export declare const getStackColorMapping: (accentColor: string | null | undefined) => StackColorMapping;