Blocksy Color Palette Generator
This resource features a tool that generates color palettes for Blocksy. I mention other tools for generating color palettes as well.
Tools
View ResourceBlocksy Color Palette Generator
WP Block Icon Preview Tool
This free SVG tool allows you to check an SVG and see how it will look inside the block editor and WordPress.org. If an SVG isn't compatible, a detailed error log is displayed showing the risk-factor in trying the SVG on .org.