message: Explain where #dac2dc comes from
diff: @@ -12,12 +12,13 @@ describe('lightColorHash', () => {
  it('exists', () => {
  expect((pad as any).lightColorHash).toBeInstanceOf(Function)
  })
  + it('returns #ffffff when an author is not provided', () => {
  // #ffffff is specifically stated in the code to be returned
  // when there is no author
  - it('returns #ffffff when an author is not provided', () => {
  expect((pad as any).lightColorHash(null)).toBe('#ffffff')
  })
  it('returns a value when given an author', () => {
  + // #dac2dc is the hash of 'https://sharonstrats.inrupt.net/profile/card#me'
  const author = { uri: 'https://sharonstrats.inrupt.net/profile/card#me' }
  expect((pad as any).lightColorHash(author)).toBe('#dac2dc')
  })
  