New in version 2.3.7:
- Removed uses of head and tail.
- Updated dependencies (for testing).
- Added support for Oklab and Oklch colour spaces from kqr.

New in version 2.3.6:
- Minimum base of 4.13.
- Locked down non-colour imports.
- Made semigroup instances canonical.
- Updated dependencies (for testing).

New in version 2.3.5:
- Support for MonadFail Proposal.
- Documentation updates.

New in version 2.3.4:

- Support for Semigroup (as superclass of) Monoid Proposal.
- Add test-suite to cabal file.

New in version 2.3.3:

- Support for GHC 7.4 from Eugene Kirpichov.

New in version 2.3.2:

- Support for GHC 7.4.1 from Brent Yorgey.

- Documentation fixes.

New in version 2.3.1:

- Fixed Data.Colour.Names colour documenation.

New in version 2.3:

- black exported by Data.Colour

- CIELAB conversion functions

New in version 2.2.1:

- Additional Documenation
