updated color

[dev-scripts]

Checklist

• I ran npm test locally and it passed without errors.

• I only edited the _data/pixels.json file.

• I entered the username in the pixels.json that I'm also using to create this pull request.
• I acknowledge that all my contributions will be made under the project's license.

[mergify]

Unfortunately the automatic code review has failed. Please click the details button for more information. @dkundel

[welcome]

Congratulations on your first contribution to the Open Pixel Art project!
We'd love to say thank you and send you some swag. If you are interested please fill out this form at https://twil.io/hacktoberfest-swag
If you are on the look out for more ways to contribute to open-source, check out a list of some of our repositories at https://github.com/twilio/opensource.
And if you love Twilio as much as we do, make sure to check out our Twilio Champions program!