Color Tools — Guides & Articles

• How to Use the Color Mixer to Mix Two HEX Colors

  Published 2026-09-30

  Mix any two HEX colors at a custom ratio with the Color Mixer: type short hex, full hex, or rgb() inputs, drag the ratio slider, preview the gradient, and…

  

• Gradient Generator Shades and Variations in CSS

  Published 2026-09-30

  Gradient generator shades and variations: control stops, angle, and type to build production-ready linear and radial CSS for any stylesheet.

  

• Delta E Calculator: A Standards-Based CIEDE2000 Walkthrough

  Published 2026-09-30

  Use a Delta E calculator to compare two sRGB HEX colors and read a CIEDE2000 difference with D50 CIELAB coordinates, locally and without sign-up.

  

• WCAG Contrast Checker: From Ratio to Pass or Fail

  Published 2026-09-29

  A WCAG contrast checker measures the luminance ratio between two colors and flags AA or AAA pass or fail for normal text, large text, and UI components.

  

• CMYK to RGB Formula: Run the Math Yourself

  Published 2026-09-29

  The CMYK to RGB formula inverts each ink, multiplies the result by (1 - K), and scales to 0–255. Apply the math to any percentage and verify in your browser.

  

• Web Safe Colors Tips and Common Mistakes to Avoid

  Published 2026-09-29

  Practical web safe colors tips and the most common mistakes to avoid when working with the 216 cube, including contrast, matching, and palette pitfalls.

  

• Is the Downloaded SVG Pattern File the Whole Preview?

  Published 2026-09-29

  The downloaded file is a single SVG tile, not the full preview. CSS repeats that tile to cover any area. Here is what each output actually contains.

  

• RGB to HEX: Tips and Common Mistakes

  Published 2026-09-29

  RGB to HEX tips and common mistakes that ruin color accuracy — shorthand, zero-padding, out-of-range channels, malformed input, and HSL as a sanity check.

  

• RGB to CMYK on iPhone: Convert in Safari

  Published 2026-09-29

  Need RGB to CMYK on iPhone? Open Safari, enter your color, and read the matching CMYK percentages and HEX value — no install, no upload, works offline.

  

• Random Color Generator on Windows: Browser Quick Start

  Published 2026-09-28

  Need a random color generator on Windows? Generate HEX, RGB, and HSL colors in your browser in one click — no install, no signup, full 16.7M-color space.