All Guides
The Smallest Font Size You Can Print and Still Read
The smallest font size you can print is about 4 point on coated stock, 6 point for fine print and 8 point for anything people read, in 100 percent black.
2-Color Printing Using Pantone or Spot Color Inks
Two-color printing runs two Pantone spot inks for exact, repeatable brand color on logos and type, so learn when it beats CMYK and how to set up your file.
How to Match Pantone to CMYK Color
How to match Pantone to CMYK for print with the Color Bridge, a chart of coated process builds, and how to hold one brand color across every job.
Understanding OSHA Safety Colors and ANSI Color Codes for Workplace Safety
OSHA and ANSI safety colors and their meanings, from danger red and warning orange to safety green and blue, plus hard hat colors and how to print them.
Pantone Spot Color Printing for Brand Accurate Business Cards
Why CMYK drifts and Pantone spot ink stays exact, which brand colors fall outside the process gamut, and how to supply PMS values for brand accurate cards.
What CMYK Stands For and Why Print Files Use It
CMYK stands for cyan, magenta, yellow and key, the four press inks, so learn why K means key, how CMYK and RGB differ and how to set up a print file.
What the Pantone Color of the Year Is and How to Print It
The Pantone Color of the Year is one shade named each December by the Pantone Color Institute, with how it is chosen and how to print 2026 Cloud Dancer.
How to Build or Rent a Mailing List for Direct Mail
How to build or rent a mailing list for direct mail, comparing renting, buying and building, targeting the right audience and checking data quality first.
Types of Direct Mail Advertising
Types of direct mail advertising compared, from postcards, letters and brochures to self mailers, flyers and EDDM, to pick the format your campaign needs.
How to Add a QR Code to Your Postcards
How to add a QR code to your postcards, from what to link and a size of at least 0.8 inches to print safe file setup and scan tracking, all at 4OVER4.COM.
Best Postcard Fonts and How to Choose Them
A seven step method for choosing postcard fonts that read at arm’s length, with point sizes for a 4x6 card and how the Greetings From lettering is built.
5 Quick Steps to Send Direct Mail Postcards
Send direct mail postcards in 5 quick steps: set a goal and offer, design the card, build a clean list, address and sort, and choose a postage rate.
