Stitch Your Photo in
454 DMC Colors

A DMC pattern maker is the software layer between a photograph and a stitchable chart. It reduces the image to a grid of the chosen size, clusters the colors in the image into a limited DMC palette, matches each cluster to the closest DMC floss, and emits a chart with DMC numbers, symbols, and a legend.

The hard part is not the pixelation — any tool can pixelate an image. The hard part is color matching. DMC's 454 colors are not evenly distributed across color space — there are more shades of pink and green than of pure blue, and the perceptual distance between two DMC reds is not the same as the RGB distance between their hex values. Naive RGB matching (still used by the cheaper tools) produces palettes with visible banding on skin tones and near-duplicate shades in dark areas.

ArtPatt uses CIEDE2000 — the industry standard for perceptual color distance — combined with confetti reduction at the grid level and optional backstitch overlay. The result is a DMC chart you can actually stitch without constantly switching between two shades that look identical.

The DMC matching engine is shared across every ArtPatt generator. Pick the one that matches your craft — the output is DMC-matched either way.

Cross-Stitch Pattern Generator: for counted cross-stitch on Aida or evenweave fabric. Supports backstitch, half and quarter stitches, and per-color skein estimates. This is the default 'DMC pattern maker' choice for most stitchers.

Embroidery Pattern Generator: a broader workflow with fabric count planning for counted embroidery and counted needlework beyond classic cross-stitch.

Pet Portrait Pattern Generator: tuned for animal photos (fur detail, eye highlights) and outputs cross-stitch, crochet, or diamond-painting-ready charts — all DMC-matched.

Diamond Painting Generator: DMC-numbered drill codes for pattern layout and per-color drill estimates.

Most older cross-stitch tools (PCStitch, WinStitch, many free browser tools) use Euclidean distance in RGB color space to pick the closest DMC color for each pixel. Fast, easy, and wrong. RGB distance does not correspond to human perception — a small RGB difference can look dramatically different to the eye (or vice versa), particularly in dark values and saturated colors.

CIEDE2000 is the perceptual color-distance formula published by the International Commission on Illumination in 2000, after two decades of refining CIE76 and CIE94. It applies weighted corrections for lightness, chroma, and hue in the Lab color space — matching human perception significantly better than any RGB or even older Lab-based formula.

Practical consequence: CIEDE2000 matching on DMC colors produces palettes where the picked shades are perceptually closest to the source image. Dark shadows stay dark. Skin tones stay separated instead of collapsing into three near-identical flesh shades. The finished stitched piece looks like the source image; the RGB-matched version does not.

The right DMC color count depends on the image and on your budget. Fewer colors is usually better for small projects and decorative pieces — 10–15 DMC colors for geometric patterns, logos, or simple silhouettes.

Mid-range (15–25 DMC colors) covers most florals, pet portraits, and simple landscapes. This is the most common range on Etsy-sold charts. Above 25 colors, floss cost and shopping complexity compound quickly — a 35-color chart often requires $30–50 in floss, and many of the colors are only used for a handful of stitches.

Very high counts (40–80+) belong to portrait-level realism where subtle gradients matter. For those, accept the floss cost and use the tool's per-color skein estimate to budget correctly. Going over 80 DMC colors rarely improves the finished look at normal viewing distance and usually indicates the confetti reduction setting is too low.

For reference, the DMC Color Chart page lists all 454 colors with swatches, and Find DMC Color matches any hex or image color to the closest DMC floss.