diff --git a/src/colord.ts b/src/colord.ts
index cbefe3e..a5b145f 100644
--- a/src/colord.ts
+++ b/src/colord.ts
@@ -51,11 +51,22 @@ export class Colord {
 
   /**
    * Same as calling `brightness() >= 0.5`.
-   * */
+   */
   public isLight(): boolean {
     return getBrightness(this.rgba) >= 0.5;
   }
 
+  /**
+   * Returns the base 10 representation of a color.
+   * When the alpha channel value of the color is less than 1,
+   * it outputs RGBA (32bits) instead of RGB (24bits).
+   */
+  public toBase10(): number {
+    return this.rgba.a < 1
+      ? (this.rgba.r << 24) + (this.rgba.g << 16) + (this.rgba.b << 8) + round(this.rgba.a * 255)
+      : (this.rgba.r << 16) + (this.rgba.g << 8) + this.rgba.b;
+  }
+
   /**
    * Returns the hexadecimal representation of a color.
    * When the alpha channel value of the color is less than 1,
diff --git a/tests/colord.test.ts b/tests/colord.test.ts
index 2df4310..4edc57e 100644
--- a/tests/colord.test.ts
+++ b/tests/colord.test.ts
@@ -23,8 +23,10 @@ it("Converts between HEX, RGB, HSL and HSV color models properly", () => {
 });
 
 it("Parses and converts a color", () => {
+  const base10 = parseInt((lime.hex as string).slice(1), 16);
   for (const format in lime) {
     const instance = colord(lime[format] as AnyColor);
+    expect(instance.toBase10()).toBe(base10);
     expect(instance.toHex()).toBe(lime.hex);
     expect(instance.toRgb()).toMatchObject(lime.rgba);
     expect(instance.toRgbString()).toBe(lime.rgbString);