diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0f5c5f7a..cf03d250 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -27,6 +27,7 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 - Fixed polyfill application by exporting a `polyfill()` function that can be called. ([#1132](https://github.com/excaliburjs/Excalibur/issues/1132))
 
 <!--- Bug fixes here --->
+- Fixed Color.lighten() ([#1084])
 
 <!--------------------------------- DO NOT EDIT BELOW THIS LINE --------------------------------->
 <!--------------------------------- DO NOT EDIT BELOW THIS LINE --------------------------------->
diff --git a/src/engine/Drawing/Color.ts b/src/engine/Drawing/Color.ts
index c405397b..ecdf61b6 100644
--- a/src/engine/Drawing/Color.ts
+++ b/src/engine/Drawing/Color.ts
@@ -105,7 +105,7 @@ export class Color {
    */
   public lighten(factor: number = 0.1): Color {
     const temp = HSLColor.fromRGBA(this.r, this.g, this.b, this.a);
-    temp.l += temp.l * factor;
+    temp.l += (1 - temp.l) * factor;
     return temp.toRGBA();
   }
 
diff --git a/src/spec/ColorSpec.ts b/src/spec/ColorSpec.ts
index 72f83c63..7fab44b2 100644
--- a/src/spec/ColorSpec.ts
+++ b/src/spec/ColorSpec.ts
@@ -100,6 +100,21 @@ describe('A color', () => {
     expect(color.b).toBe(229.5, 'b');
   });
 
+  it('can be lightened', () => {
+    color = ex.Color.Black.clone();
+    color = color.lighten();
+    expect(color.r).toBe(25.5, 'r');
+    expect(color.g).toBe(25.5, 'g');
+    expect(color.b).toBe(25.5, 'b');
+
+    color = ex.Color.White.clone();
+    color = color.lighten();
+    expect(color.r).toBe(255, 'r');
+    expect(color.g).toBe(255, 'g');
+    expect(color.b).toBe(255, 'b');
+
+  });
+
   it('can be averaged', () => {
     color = ex.Color.White.average(ex.Color.Black);
     expect(color.r).toBe(255 / 2, 'r');
diff --git a/src/spec/images/SpriteSpec/icon-lightened.png b/src/spec/images/SpriteSpec/icon-lightened.png
index 079134adbfa07724dfeca590bc333bf0d6e69c03..4b710acf1e6cd037ab46044591a5f8cf050a2c4c 100644
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