Color name inference class made for Typescript. Converts any {r: number, g: number, b: number} to a name defined by BASE_COLORS

Color.ts

export type RGBColor = {
  r: number;
  g: number;
  b: number;
}

class Color {
  /**
   * Available color names to be used in the `asName` method
   */
  static BASE_COLORS = {
    black: [0, 0, 0],
    white: [255, 255, 255],
    red: [255, 0, 0],
    green: [0, 128, 0],
    blue: [0, 0, 255],
    yellow: [255, 255, 0],
    cyan: [0, 255, 255],
    magenta: [255, 0, 255],
  };

  /**
   * Converts a color object to a name as defined by the `BASE_COLORS` object
   * @param color
   * @returns
   */
  static asName = (color: RGBColor): string => {
    // Calculate the Euclidean distance between the input color and each basic color
    let minDistance = Infinity;
    let nearestColor = "";
    for (const [name, basicRgb] of Object.entries(Color.BASE_COLORS)) {
      const distance = Math.sqrt(
        Object.values(basicRgb).reduce(
          (sum, value, i) =>
            sum +
            Math.pow(value - color[Object.keys(color)[i] as keyof RGBColor], 2),
          0
        )
      );
      if (distance < minDistance) {
        minDistance = distance;
        nearestColor = name;
      }
    }

    return nearestColor;
  };
}

export default Color;

Example:
Color.asName({ r: 243, g: 0, b: 0 }); // "red"