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
nan
autoprefixer
statistical-test
azure-custom-providers
highcharts-gantt
alfresco
dynamic-scope
fromhtml
kotlin-coroutine-channel
qboxlayout
socrata
wrapper
windows-package-manager
microsoft365r
run-script
varchar2
qtmultimedia
typescript-utility
object-storage
visual-studio-addins
constantcontact
tflm
raw
foalts
design-patterns
jetpack-compose-accompanist
xcopy
morphing
aws-sdk-go
facebook-tag