Web Safe Colour Chart
The 216 web-safe colours in a searchable chart with hex and RGB values — a historical palette that is still a useful set of evenly spaced swatches.
How to use it
- Search by hex value to find a specific swatch.
- Click any colour to copy its code.
- Each channel steps through 00, 33, 66, 99, CC and FF — six values, cubed, giving 216.
The 216 web-safe colours are every combination you get by restricting each of the red, green and blue channels to six specific values — 00, 33, 66, 99, CC and FF — instead of the full 0–255 range. Six values per channel, cubed across three channels, gives exactly 216 colours, each guaranteed to display identically without dithering on the 256-colour displays common in the 1990s.
Why this list still exists
The original purpose is entirely obsolete — every display made in the last two decades handles millions of colours natively, so nothing dithers or shifts the way it did on old 256-colour hardware, and there is no technical reason to restrict a modern design to this set.
What survives is that the palette happens to be a neat, evenly spaced sampling of colour space, which makes it occasionally handy as a quick, safe starting set of swatches — a curiosity and a convenience rather than a requirement.
Questions people ask
Do web-safe colours still matter?
Not technically. They existed for displays limited to 256 colours, which nothing has used for decades. They survive as a tidy, evenly spaced palette.
Is anything uploaded?
No. Everything runs in your browser — no file, image or snippet you use here ever leaves your device.
Last updated 22 August 2026