diff --git a/src/internalHelpers/test/_hexToRgb.test.js b/src/internalHelpers/test/_hexToRgb.test.js
index <HASH>..<HASH> 100644
--- a/src/internalHelpers/test/_hexToRgb.test.js
+++ b/src/internalHelpers/test/_hexToRgb.test.js
@@ -8,7 +8,7 @@ describe('transparentize', () => {
   it('it should correctly convert hex #000000 to rgb', () => {
     expect(hexToRgb('#000000')).toMatchSnapshot()
   })
-  // it('it should throw an error on invalid color #00000', () => {
-  //   expect(() => { hexToRgb('#00000') }).toThrow('Invalid hex color')
-  // })
+  it('it should throw an error on invalid color #00000', () => {
+    expect(() => { hexToRgb('#00000') }).toThrow('Invalid hex color')
+  })
 })
chore(transparentize): Added _hexToRgb throw error test