`npm run doc` throws errors

[daninfpj]

When I run npm run doc I get the following errors:

> tachyons-css.github.io@4.9.0 doc /code/tachyons-css.github.io
> bash script.sh

Error: Unable to parse color from string: inherit
    at Color (/code/tachyons-css.github.io/node_modules/color/index.js:53:10)
    at Color (/code/tachyons-css.github.io/node_modules/color/index.js:28:10)
    at /code/tachyons-css.github.io/src/modules/parse-colors.js:20:13
    at Array.map (native)
    at module.exports (/code/tachyons-css.github.io/src/modules/parse-colors.js:17:19)
    at Object.<anonymous> (/code/tachyons-css.github.io/src/modules/colors.js:13:14)
    at Module._compile (module.js:571:32)
    at Object.Module._extensions..js (module.js:580:10)
    at Module.load (module.js:488:32)
    at tryModuleLoad (module.js:447:12)
Error: Unable to parse color from string: inherit
    at Color (/code/tachyons-css.github.io/node_modules/color/index.js:53:10)
    at Color (/code/tachyons-css.github.io/node_modules/color/index.js:28:10)
    at /code/tachyons-css.github.io/src/modules/parse-colors.js:20:13
    at Array.map (native)
    at module.exports (/code/tachyons-css.github.io/src/modules/parse-colors.js:17:19)
    at Object.<anonymous> (/code/tachyons-css.github.io/src/modules/colors.js:13:14)
    at Module._compile (module.js:571:32)
    at Object.Module._extensions..js (module.js:580:10)
    at Module.load (module.js:488:32)
    at tryModuleLoad (module.js:447:12)
Error: Unable to parse color from string: inherit
    at Color (/code/tachyons-css.github.io/node_modules/color/index.js:53:10)
    at Color (/code/tachyons-css.github.io/node_modules/color/index.js:28:10)
    at /code/tachyons-css.github.io/src/modules/parse-colors.js:20:13
    at Array.map (native)
    at module.exports (/code/tachyons-css.github.io/src/modules/parse-colors.js:17:19)
    at Object.<anonymous> (/code/tachyons-css.github.io/src/modules/colors.js:13:14)
    at Module._compile (module.js:571:32)
    at Object.Module._extensions..js (module.js:580:10)
    at Module.load (module.js:488:32)
    at tryModuleLoad (module.js:447:12)
Error: Unable to parse color from string: inherit
    at Color (/code/tachyons-css.github.io/node_modules/color/index.js:53:10)
    at Color (/code/tachyons-css.github.io/node_modules/color/index.js:28:10)
    at /code/tachyons-css.github.io/src/modules/parse-colors.js:20:13
    at Array.map (native)
    at module.exports (/code/tachyons-css.github.io/src/modules/parse-colors.js:17:19)
    at Object.<anonymous> (/code/tachyons-css.github.io/src/modules/colors.js:13:14)
    at Module._compile (module.js:571:32)
    at Object.Module._extensions..js (module.js:580:10)
    at Module.load (module.js:488:32)
    at tryModuleLoad (module.js:447:12)
Error: Unable to parse color from string: inherit
    at Color (/code/tachyons-css.github.io/node_modules/color/index.js:53:10)
    at Color (/code/tachyons-css.github.io/node_modules/color/index.js:28:10)
    at /code/tachyons-css.github.io/src/modules/parse-colors.js:20:13
    at Array.map (native)
    at module.exports (/code/tachyons-css.github.io/src/modules/parse-colors.js:17:19)
    at Object.<anonymous> (/code/tachyons-css.github.io/src/modules/colors.js:13:14)
    at Module._compile (module.js:571:32)
    at Object.Module._extensions..js (module.js:580:10)
    at Module.load (module.js:488:32)
    at tryModuleLoad (module.js:447:12)
Error: Unable to parse color from string: inherit
    at Color (/code/tachyons-css.github.io/node_modules/color/index.js:53:10)
    at Color (/code/tachyons-css.github.io/node_modules/color/index.js:28:10)
    at /code/tachyons-css.github.io/src/modules/parse-colors.js:20:13
    at Array.map (native)
    at module.exports (/code/tachyons-css.github.io/src/modules/parse-colors.js:17:19)
    at Object.<anonymous> (/code/tachyons-css.github.io/src/modules/colors.js:13:14)
    at Module._compile (module.js:571:32)
    at Object.Module._extensions..js (module.js:580:10)
    at Module.load (module.js:488:32)
    at tryModuleLoad (module.js:447:12)