import { Color } from 'three/webgpu';
type LinearRgb = readonly [number, number, number];
export declare function parse_linear_rgb(css_color: string): LinearRgb;
export declare function css_to_linear_rgb(css_color: string): LinearRgb;
export declare function set_linear_css_color(css_color: string, scratch_color: Color): void;
export declare function write_linear_color_to_buffer(buffer: Float32Array, idx: number, css_color: string): void;
export declare function brighten_hex(css_color?: string, amount?: number): string;
export {};