BROWSER-LOCAL IMAGE LAB

Aspect Ratio Finder

Find an exact aspect ratio from an image or dimensions. Lock the ratio to calculate a new size.

  • No upload
  • Free, in your browser
  • No account required

Color values reflect browser-decoded RGB pixels. Palette percentages are estimates, not official Pantone matches. Fully transparent pixels have no visible color.

How to use this tool

1

Choose an image from your device, or enter dimensions and color values directly.

2

Inspect pixels, adjust your ratio or select the number of palette colors.

3

Copy a color or download your palette as a PNG color card, CSS or JSON.