Color Tools — Guides & Articles

• CMYK to RGB to Hex: Get Both Outputs at Once

  Published 2026-10-08

  Convert CMYK percentages to both RGB channels and a hex code using the W3C naive approximation, and see when this browser preview is enough.

  

• Best Way to Generate a CSS Checkbox in a Generator

  Published 2026-10-08

  The best way to generate a CSS checkbox in a CSS checkbox generator: set size, border, radius, and three HEX colors, then copy and validate output.

  

• Does Web Safe Mean Accessible Text? A Direct Answer

  Published 2026-10-08

  "Web safe" is a historical label for the 216 browser-safe cube, not an accessibility promise. See what the chart does and how to test text contrast properly.

  

• Is My Data Uploaded Anywhere When I Mix Two HEX Colors?

  Published 2026-10-08

  No. When you mix two HEX colors, Color Mixer does not upload your inputs to a server; it blends them locally in your browser and shows the exact result.

  

• How to Use a Color Gradient Generator: Pick, Preview, Copy

  Published 2026-10-07

  Use a color gradient generator to build linear or radial CSS gradients visually, adjust stops and angles, preview live, and copy ready-to-paste code in one…

  

• Can a CIEDE2000 Calculator Prove Two Printed Samples Match?

  Published 2026-10-07

  A CIEDE2000 color difference calculator returns a Delta E between two HEX colors but cannot prove printed samples match — here's what it actually proves.

  

• Check Color Contrast on Website: Pass WCAG Standards

  Published 2026-10-07

  Check color contrast on website designs with a WCAG-based tool. Test any text and background pair for AA and AAA compliance and fix accessibility issues fast.

  

• What Can Go Wrong When You Generate an SVG Pattern

  Published 2026-10-07

  Generation fails when inputs fall outside 8–128 px tiles, colors aren't six-digit HEX, or CSP blocks the CSS data URL. Here's how to catch each one early.

  

• Plan Your Steps to Use Average Color From an Image

  Published 2026-10-06

  Plan a workflow to get an image's average color: prepare the file, sample locally, copy the HEX, and verify the swatch in its design context.

  

• RGB to HSV on Android: Match the Color.RGBToHSV Scale

  Published 2026-10-06

  Convert RGB to HSV on Android using the exact hue, saturation, and value ranges that Color.RGBToHSV returns — hue in [0..360[ degrees, S/V as 0–1 floats.