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
p4merge
applocker
winscard
qdir
iggrid
vmware-clarity
indexing
custom-action
showdialog
fw1
deferred-execution
mysql-error-1055
dpapi
dijit.form
htl
wpilib
r-pacs
nsnetservice
web3-react
orocommerce
xstate
logoff
websphere-liberty
tframe
noip
mssql-scripter
emoji
assignment-problem
gpio
watson-openscale