message: Provides better documentation for color utilities
diff: /**
  - * Converts a hex color number to an [R, G, B] array
  + * Converts a hexadecimal color number to an [R, G, B] array of normalized floats (numbers from 0.0 to 1.0).
  *
  + * @example
  + * PIXI.utils.hex2rgb(0xffffff); // returns [1, 1, 1]
  * @memberof PIXI.utils
  * @function hex2rgb
  - * @param {number} hex - The number to convert
  + * @param {number} hex - The hexadecimal number to convert
  * @param {number[]} [out=[]] If supplied, this array will be used rather than returning a new one
  - * @return {number[]} An array representing the [R, G, B] of the color.
  + * @return {number[]} An array representing the [R, G, B] of the color where all values are floats.
  */
  export function hex2rgb(hex, out)
  {
  @@ -19,12 +21,14 @@ export function hex2rgb(hex, out)
  }
  /**
  - * Converts a hex color number to a string.
  + * Converts a hexadecimal color number to a string.
  *
  + * @example
  + * PIXI.utils.hex2string(0xffffff); // returns "#ffffff"
  * @memberof PIXI.utils
  * @function hex2string
  - * @param {number} hex - Number in hex
  - * @return {string} The string color.
  + * @param {number} hex - Number in hex (e.g., `0xffffff`)
  + * @return {string} The string color (e.g., `"#ffffff"`).
  */
  export function hex2string(hex)
  {
  @@ -35,12 +39,14 @@ export function hex2string(hex)
  }
  /**
  - * Converts a hex string to a hex color number.
  + * Converts a hexadecimal string to a hexadecimal color number.
  *
  + * @example
  + * PIXI.utils.string2hex("#ffffff"); // returns 0xffffff
  * @memberof PIXI.utils
  * @function string2hex
  - * @param {string} The string color that starts with #
  - * @return {number} hex - Number in hex
  + * @param {string} The string color (e.g., `"#ffffff"`)
  + * @return {number} Number in hexadecimal.
  */
  export function string2hex(string)
  {
  @@ -53,12 +59,14 @@ export function string2hex(string)
  }
  /**
  - * Converts a color as an [R, G, B] array to a hex number
  + * Converts a color as an [R, G, B] array of normalized floats to a hexadecimal number.
  *
  + * @example
  + * PIXI.utils.rgb2hex([1, 1, 1]); // returns 0xffffff
  * @memberof PIXI.utils
  * @function rgb2hex
  - * @param {number[]} rgb - rgb array
  - * @return {number} The color number
  + * @param {number[]} rgb - Array of numbers where all values are normalized floats from 0.0 to 1.0.
  + * @return {number} Number in hexadecimal.
  */
  export function rgb2hex(rgb)
  {
  