According to MDN, the list attribute can be used for <input> elements of type color to provide a list of predefined colors. That page also indicates that
cocos2d-x-3.x
wkinterfacetable
avfoundation
milliseconds
text-formatting
amp-analytics
urllib2
jszip
wal
longest-path
linq2db
example
vapid
action-mailbox
custom-authentication
hashtable
webjars
android-text-color
mobicontrol
fiddler
productivity-power-tools
word-cloud
typo3-extensions
nightwatch
facebook-graph-api-v2.0
android-vibration
p4python
phppgadmin
oneway
intercom