Duotone Effect

Map image brightness to a two-color gradient (shadow → highlight).

Tool Media & Files Updated Apr 19, 2026
X Facebook LinkedIn Reddit Email
How to Use
  1. Drop image.
  2. Pick shadow + highlight colors.
  3. Adjust contrast.
Image + palette
🎭
Drop image
Preview

Notes

Luma
0.299R + 0.587G + 0.114B
Interp
Linear shadow → highlight
Contrast
S-curve on luma
Alpha
Preserved
Output
PNG
Privacy
Local

Frequently Asked Questions

How it works?

Each pixel's luminance picks a color between the two selected.

Common Use Cases

Brand imagery

Consistent color palette.

Poster

Bold two-tone look.

Last updated: