/**
 * Class representing a Color with properties r, g, b and optionally a
 */
export declare class Color {
    readonly r: number;
    readonly g: number;
    readonly b: number;
    readonly a: number;
    /**
     * Construct the Color white
     *
     * @param alpha optional alpha value; defaults to 1
     *
     * @returns a Color with rgba (255,255,255,a=1)
     */
    static white(alpha?: number): Color;
    /**
     * Construct the Color black
     *
     * @param alpha optional alpha value; defaults to 1
     *
     * @returns a Color with rgba (0,0,0,a=1)
     */
    static black(alpha?: number): Color;
    /**
     * Construct the Color grey
     *
     * @param alpha optional alpha value; defaults to 1
     *
     * @returns a Color with rgba (128,128,128,a=1)
     */
    static grey(alpha?: number): Color;
    /**
     * Construct the Color red
     *
     * @param alpha optional alpha value; defaults to 1
     *
     * @returns a Color with rgba (255,0,0,a=1)
     */
    static red(alpha?: number): Color;
    /**
     * Construct the Color green
     *
     * @param alpha optional alpha value; defaults to 1
     *
     * @returns a Color with rgba (0,255,0,a=1)
     */
    static green(alpha?: number): Color;
    /**
     * Construct the Color blue
     *
     * @param alpha optional alpha value; defaults to 1
     *
     * @returns a Color with rgba (0,0,255,a=1)
     */
    static blue(alpha?: number): Color;
    /**
     * Construct the Color yellow
     *
     * @param alpha optional alpha value; defaults to 1
     *
     * @returns a Color with rgba (255,255,0,a=1)
     */
    static yellow(alpha?: number): Color;
    /**
     * Construct the Color magenta
     *
     * @param alpha optional alpha value; defaults to 1
     *
     * @returns a Color with rgba (255,0,255,a=1)
     */
    static magenta(alpha?: number): Color;
    /**
     * Construct the Color cyan
     *
     * @param alpha optional alpha value; defaults to 1
     *
     * @returns a Color with rgba (0,255,255,a=1)
     */
    static cyan(alpha?: number): Color;
    /**
     * Generate a random Color with r, g and b values
     *
     * Alpha value may be randomised or given as a fixed value
     *
     * @param randomAlpha whether or not to generate a random alpha; default is false
     * @param fixedAlpha a fixed Alpha to use if randomAlpha is false; default is 1
     *
     * @returns a random Color
     */
    static random(randomAlpha?: boolean, fixedAlpha?: number): Color;
    /**
     * Convenience method for generating a list of random Colors of a certain length
     *
     * Alphas may be randomised or given as a fixed value for all generated Colors
     *
     * @param count the number of colors to generate
     * @param randomAlpha whether or not to generate a random alpha for each Color; default is false
     * @param fixedAlpha a fixed Alpha to use for each Color if randomAlpha is false; default is 1
     */
    static randomList(count: number, randomAlpha?: boolean, fixedAlpha?: number): Array<Color>;
    /**
     * Create a custom Color with given r, g, b and a values
     *
     * r, g and b are clamped to 255, and a is clamped to 1. Negative values will be set to 0
     *
     * @param r the Color's red value; 0-255; defaults to 0
     * @param g the Color's green value; 0-255; defaults to 0
     * @param b the Color's blue value; 0-255; defaults to 0
     * @param a the Color's alpha value; 0-1; defaults to 1
     *
     * @returns the Color
     */
    static rgba(r?: number, g?: number, b?: number, a?: number): Color;
    /**
     * Create a custom Color for a given hex string
     *
     * The hex can be in the form #000000, 000000, #000 or 000.
     *
     * If the string is malformed or the wrong length, a default Color will be returned (0, 0, 0)
     *
     * Final r, g and b values are clamped to 255, and alpha will be 1
     *
     * @param hex the hex to convert
     *
     * @returns the Color
     */
    static hex(hex: string): Color;
    /**
     * Internal-use single-number hex converter
     *
     * @param n the number to convert
     *
     * @returns the hex form of the number
     */
    private static toHex;
    /**
     * Private constructor. Take and store the Color's r, g, b and a properties
     *
     * r, g and b are clamped to 255, and a is clamped to 1. Negative values will be set to 0
     *
     * Colors should be constructed with `Color.hex()` or `Color.rgba()`
     *
     * @param r the Color's red value; 0-255; defaults to 0
     * @param g the Color's green value; 0-255; defaults to 0
     * @param b the Color's blue value; 0-255; defaults to 0
     * @param a the Color's alpha value; 0-1; defaults to 1
     */
    private constructor();
    /**
     * Getter for the hex form of the Color
     */
    get hex(): string;
    /**
     * Getter for the GL-friendly Float32Array form of the Color
     */
    get float32Array(): Float32Array;
    /**
     * Internal-use getter for the gl-compatible clamped form of the Color's r number (0 -> 1)
     */
    private get rf();
    /**
     * Internal-use getter for the gl-compatible clamped form of the Color's g number (0 -> 1)
     */
    private get gf();
    /**
     * Internal-use getter for the gl-compatible clamped form of the Color's b number (0 -> 1)
     */
    private get bf();
}