Every canvas is covered in small printed symbols that map to a color chart, and most of those colors trace back to DMC codes. Here's how the system actually works, and whether it's really universal across brands.
Symbols, color codes, and what they actually mean
The symbol grid printed on your canvas is a map. Each shape corresponds to exactly one color, listed on the kit's included color chart.
Symbols are shorthand, not decoration
Every diamond painting canvas is printed with small repeating symbols, letters, or shapes across the design. Each unique symbol corresponds to one specific color code on the kit's color chart, usually a DMC number. When you place a diamond, you're matching the diamond bag's code to the symbol printed underneath it on the canvas, not matching by eye.
This is why sorting diamonds by their printed code before starting saves so much time. Once you know which symbol maps to which code, you can work through an entire color in one pass across the canvas instead of hunting for matches square by square.
DMC codes explained, brand by brand
DMC is the most widely referenced color-coding system in diamond painting, but "widely referenced" is not the same as "universal."
| Situation | Are Colors Compatible? | What to Do |
|---|---|---|
| Same kit, same brand | Yes, always | Use diamonds exactly as labeled |
| Different kits, same brand | Usually yes | Cross-check the DMC code before mixing |
| Different kits, different brands | Not guaranteed | Compare codes directly, do not assume a match |
| Leftover diamonds from an old project | Only if codes match exactly | Keep leftovers labeled and sorted by code for future reference |
What this actually means for your project
Never mix diamonds across brands by eye
Two diamonds can look nearly identical under normal light but carry different codes. Always check the printed code before combining bags from separate kits.
Keep your color chart until the project is finished
Losing the chart makes it far harder to identify a specific symbol later if you run short on a color mid-project.
Label leftover diamonds by code, not by guessed color name
"Light blue" means nothing months later. The code on the bag or the color chart is the only reliable reference.
Small shade differences within the same code are normal
Dye lots can vary slightly batch to batch. A faint difference between two bags of the same code is a manufacturing quirk, not a mistake.
Quick questions
Are diamond painting colors universal across brands?
No, not fully. Most brands reference DMC codes, but the exact shade and code assigned to a color can vary slightly between manufacturers, so diamonds from one kit aren't guaranteed to match another kit's numbering.
What do the symbols on a diamond painting canvas mean?
Each symbol corresponds to a specific diamond color shown on the kit's color chart, telling you exactly which color belongs in that spot, similar to how paint-by-numbers uses numbers instead of symbols.
How many DMC colors are used in diamond painting?
The full DMC palette includes several hundred shades, but a single kit typically uses somewhere between 10 and 50 colors, depending on the design's complexity.
Can I use diamonds from one kit on a different canvas?
Only if the color codes match exactly between the two kits. Since numbering can vary by brand, it's safest to use diamonds from the same kit or brand as the canvas they're intended for.
Why do some of my diamond colors look the same but have different numbers?
Manufacturing batches can vary slightly in dye shade even within the same code, and different brands may assign different codes to visually similar shades. Small differences between same-numbered bags are normal.
Related guides
Ready to start matching colors?
Every kit ships with a full color chart, so you always know exactly what each symbol means.