Material Palette - Generate and export your Material Design color palette
MailChimp - MailChimp is the best way to design, send, and share email newsletters.
Color Hunt - Curated collection of beautiful colors, updated daily
Brevo - Innovative online Email Marketing solution to manage your contacts, create & send your newsletters and track your results. More than 80 000 clients. Best prices and attractive features.
Coolors.co - The super fast color schemes generator! Create, save and share perfect palettes in seconds!
Campaign Monitor - Email marketing software built for designers and their clients to run successful email campaigns.