Letterbox – letters made of text
A free typography playground that builds large letters from smaller characters, with controls for fonts, colours and fill density.
Resources
Discover useful things. Build your library. Share your finds.
All resources 16
Color — a color-matching practice game
A timed browser game for matching target colors and practicing hue, saturation, complementary, analogous, triadic and tetradic color relationships.
Logggos: logo gallery for brand research
A curated logo gallery organized by industry, typography, color and shape for visual reference research.
zoxilsi studio — mesh gradients and animated backgrounds
A mesh-gradient editor with Bézier controls, presets, effects and exports for images, video and code.
Glass3D — glass-effect CSS generator
Tune blur, color and texture for glass-style interface elements, then copy the generated CSS.
Gradient Lab by Backgrounds Supply — gradient background generator
A free browser-based gradient background editor with shader modes, palette controls, and image and video export.
Tabbied Patterns — customizable pattern generator
A generative pattern library with colour palettes, layout controls and free PNG or SVG export.
GradLab — gradient generator with PNG, MP4 and HTML export
A free browser-based gradient generator with 13 algorithms, palettes of up to eight colors, grain, halftone and character-based effects.
Colour Contrast Checker: Check Text and Background Contrast
A free tool for checking text and background contrast, with WCAG AA and AAA indicators, HEX, RGB and HSL controls, and typography previews.
FeralUI Gradient Builder — gradient generator
A free gradient editor with traditional Japanese colour palettes, shape and grain controls, and export options for images, video and code.
Colorsinspo — Color Palettes, Gradients & Design Tools
A free platform with thousands of curated color palettes, generators, gradients, contrast tools, tutorials and other resources for designers.
Color Hunt — Curated Color Palettes for Designers
A free curated collection of color palettes with browsing by color, style, season and mood.
Branding Style Guides — 3,600+ Brand Manuals & Guidelines
A large archive of brand manuals, design standards and guidelines covering logos, colors, typography and real-world identity rules.
ColorDrop — Color Palettes & AI Palette Generator
A free online tool for discovering ready-made color palettes with HEX codes and generating custom color schemes with AI.
Historical Color Palette Archive
Color Leap explores how colors changed throughout history, featuring 180 palettes across 12 eras with artwork examples and characteristic color combinations.
WhoCanUse: color contrast and vision simulations
A free browser tool for checking text and background contrast, with WCAG grades and previews of different vision conditions and screen-viewing situations.