Update Colors.md
Update Colors.md

Summary:
Thanks for submitting a PR! Please read these instructions carefully:

- [x] Explain the **motivation** for making this change.
- [ ] Provide a **test plan** demonstrating that the code is solid.
- [x] Match the **code formatting** of the rest of the codebase.
- [x] Target the `master` branch, NOT a "stable" branch.

Fix broken link

N/A

Sign the [CLA][2], if you haven't already.

Small pull requests are much easier to review and more likely to get merged. Make sure the PR does only one thing, otherwise please split it.

Make sure all **tests pass** on both [Travis][3] and [Circle CI][4]. PRs that break tests are unlikely to be merged.

For more info, see the ["Pull Requests"][5] section of our "Contributing" guidelines.

[1]: https://medium.com/martinkonicek/what-is-a-test-plan-8bfc840ec171#.y9lcuqqi9
[2]: https://code.facebook.com/cla
[3]: https://travis-ci.org/facebook/react-native
[4]: http://circleci.com/gh/facebook/react-native
[5]: https://github.com/facebook/react-native/blob/master/CONTRIBUTING.md#pull-requests
Closes https://github.com/facebook/react-native/pull/14122

Differential Revision: D5111260

Pulled By: javache

fbshipit-source-id: a8913b5d70e05046091a9afec18c311ac9b1ef31

cdlewis/react-native,Livyli/react-native,kesha-antonov/react-native,javache/react-native,brentvatne/react-native,exponent/react-native,rickbeerendonk/react-native,cdlewis/react-native,brentvatne/react-native,facebook/react-native,makadaw/react-native,Guardiannw/react-native,javache/react-native,hoastoolshop/react-native,kesha-antonov/react-native,hoangpham95/react-native,rickbeerendonk/react-native,javache/react-native,facebook/react-native,negativetwelve/react-native,Livyli/react-native,PlexChat/react-native,jasonnoahchoi/react-native,hammerandchisel/react-native,exponentjs/react-native,forcedotcom/react-native,arthuralee/react-native,exponent/react-native,exponentjs/react-native,makadaw/react-native,negativetwelve/react-native,cpunion/react-native,rickbeerendonk/react-native,facebook/react-native,peterp/react-native,janicduplessis/react-native,cdlewis/react-native,gilesvangruisen/react-native,javache/react-native,farazs/react-native,myntra/react-native,hoastoolshop/react-native,Livyli/react-native,thotegowda/react-native,cpunion/react-native,PlexChat/react-native,jasonnoahchoi/react-native,formatlos/react-native,exponent/react-native,doochik/react-native,thotegowda/react-native,hoastoolshop/react-native,jasonnoahchoi/react-native,janicduplessis/react-native,jevakallio/react-native,frantic/react-native,hammerandchisel/react-native,PlexChat/react-native,peterp/react-native,farazs/react-native,Guardiannw/react-native,thotegowda/react-native,janicduplessis/react-native,brentvatne/react-native,skevy/react-native,dikaiosune/react-native,makadaw/react-native,dikaiosune/react-native,cdlewis/react-native,tszajna0/react-native,rickbeerendonk/react-native,shrutic123/react-native,forcedotcom/react-native,exponent/react-native,ptmt/react-native-macos,rickbeerendonk/react-native,gilesvangruisen/react-native,Guardiannw/react-native,formatlos/react-native,tszajna0/react-native,peterp/react-native,skevy/react-native,shrutic123/react-native,frantic/react-native,jevakallio/react-native,thotegowda/react-native,cpunion/react-native,facebook/react-native,exponent/react-native,cpunion/react-native,shrutic123/react-native,hammerandchisel/react-native,tszajna0/react-native,chnfeeeeeef/react-native,negativetwelve/react-native,ptmt/react-native-macos,ptmt/react-native-macos,brentvatne/react-native,jevakallio/react-native,mironiasty/react-native,myntra/react-native,aljs/react-native,hammerandchisel/react-native,Guardiannw/react-native,exponentjs/react-native,exponent/react-native,doochik/react-native,janicduplessis/react-native,thotegowda/react-native,hoangpham95/react-native,negativetwelve/react-native,Bhullnatik/react-native,pandiaraj44/react-native,myntra/react-native,hoangpham95/react-native,rickbeerendonk/react-native,skevy/react-native,chnfeeeeeef/react-native,brentvatne/react-native,janicduplessis/react-native,arthuralee/react-native,exponentjs/react-native,facebook/react-native,exponentjs/react-native,hoangpham95/react-native,skevy/react-native,myntra/react-native,forcedotcom/react-native,ptmt/react-native-macos,peterp/react-native,ptmt/react-native-macos,gilesvangruisen/react-native,Ehesp/react-native,skevy/react-native,kesha-antonov/react-native,Bhullnatik/react-native,chnfeeeeeef/react-native,mironiasty/react-native,rickbeerendonk/react-native,chnfeeeeeef/react-native,PlexChat/react-native,Guardiannw/react-native,Bhullnatik/react-native,mironiasty/react-native,Bhullnatik/react-native,dikaiosune/react-native,skevy/react-native,jevakallio/react-native,jevakallio/react-native,doochik/react-native,Ehesp/react-native,ptmt/react-native-macos,kesha-antonov/react-native,myntra/react-native,shrutic123/react-native,doochik/react-native,chnfeeeeeef/react-native,makadaw/react-native,janicduplessis/react-native,peterp/react-native,myntra/react-native,jasonnoahchoi/react-native,formatlos/react-native,jevakallio/react-native,formatlos/react-native,aljs/react-native,aljs/react-native,formatlos/react-native,pandiaraj44/react-native,Livyli/react-native,tszajna0/react-native,frantic/react-native,aljs/react-native,forcedotcom/react-native,cpunion/react-native,jevakallio/react-native,cdlewis/react-native,exponentjs/react-native,hammerandchisel/react-native,tszajna0/react-native,pandiaraj44/react-native,rickbeerendonk/react-native,aljs/react-native,mironiasty/react-native,jasonnoahchoi/react-native,gilesvangruisen/react-native,Ehesp/react-native,makadaw/react-native,cpunion/react-native,PlexChat/react-native,hammerandchisel/react-native,kesha-antonov/react-native,mironiasty/react-native,Livyli/react-native,makadaw/react-native,cdlewis/react-native,rickbeerendonk/react-native,mironiasty/react-native,kesha-antonov/react-native,facebook/react-native,peterp/react-native,dikaiosune/react-native,brentvatne/react-native,hoangpham95/react-native,dikaiosune/react-native,gilesvangruisen/react-native,farazs/react-native,hoastoolshop/react-native,hoangpham95/react-native,Ehesp/react-native,arthuralee/react-native,gilesvangruisen/react-native,Guardiannw/re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