FIELD NOTES / DESIGN DECISIONS

Practical guides for
color and UI design.

Focused explanations, implementation examples, and checklists for the small decisions that make interfaces easier to use.

THE LIBRARY / 12 ARTICLES

Explore the ideas.

Find the answer, then try it in your own interface.

12 guides

Color Theory 3 min
01

Color Theory for Interfaces: Hue, Chroma, Lightness, and Context

A practical guide to choosing and adjusting colors for web interfaces, with clear examples of hue, chroma, lightness, and contrast.

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Accessibility 4 min
02

WCAG Color Contrast: AA Ratios, Exceptions, and a Testing Workflow

Understand WCAG 2.2 text contrast thresholds, when large-text exceptions apply, and what a color-pair checker does not test.

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Color Theory 3 min
03

OKLCH vs HSL in CSS: A Practical Color Adjustment Example

See how OKLCH and HSL represent CSS colors, why their lightness controls behave differently, and how to add an OKLCH declaration safely.

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Tutorials 3 min
04

How to Design and Export a UI Theme with LiveTheme

A product walkthrough: choose theme colors and fonts, review them on interface layouts, and copy framework-specific CSS.

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Design Systems 3 min
05

Designing a Dark Mode Color Palette That Stays Readable

Build a dark theme by assigning surface and text roles, controlling bright accents, and checking contrast in real components.

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Design Systems 3 min
06

DaisyUI 5 Themes: A Tailwind CSS Color Token Example

Create a small DaisyUI theme with current semantic CSS variables, understand the content-color pairing, and test it in components.

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Design Systems 3 min
07

How to Build a UI Color Palette from One Brand Color

Turn a single brand color into interface roles, supporting surfaces, and tested foreground pairs without treating a generated palette as finished.

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Design Systems 3 min
08

shadcn/ui Theme Colors: Map a Palette to CSS Variables

Map interface colors to shadcn/ui semantic variables, keep foreground pairs intentional, and review light and dark theme values.

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Design Systems 3 min
09

Semantic Colors in UI Design: A Useful Token Map

Define primary, surface, text, and status colors by role, and avoid using hue alone to communicate meaning.

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Tutorials 3 min
10

CSS Gradients for UI: Color Stops, Direction, and Readability

Write and adjust CSS gradients with deliberate color stops, then check text contrast across the rendered background.

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Accessibility 3 min
11

Color Contrast in Web Forms: Labels, Errors, and Focus

Review the color decisions in form labels, hints, errors, borders, and focus indicators without relying on color alone.

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Tutorials 3 min
12

A Practical Type Pairing and Scale for Web Interfaces

Choose complementary heading and body fonts, set a compact size scale, and check how typography behaves in real UI layouts.

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FROM READING TO MAKING

Ideas look better
in action.

Try your palette and typography on real interface layouts, then export the CSS for your project.
Open the theme editor