primary colour
"primary-colour" is a 13-letter English headword indexed on PlainSpell.
The verdict
“primary colour” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 14
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Any of three colours which, when added to or subtracted from others in different amounts, can generate all other colours.
Corpus desk
Index EN-primary-colour · primary colour · English
primary colour · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-MEGA 14 letters
- VOW-6 6 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "P" thin
- PHOTO-UNK Peer pending
Read with this headword: Spelling guide for this pattern
Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.
| Property | Value |
|---|---|
| Headword | primary colour |
| Language | English |
| Part of speech | Noun |
| Letters | 14 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “primary colour” in English
Rare enough to double-check
primary colour is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Any of three colours which, when added to or subtracted from others in different amounts, can generate all other colours.".
primary colour doesn't appear in our generated misspelling index, typically a sign the spelling maps closely to how the word sounds. This entry stands alone in our confusable dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.
This headword's origin isn't recorded in our source data, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. The correct English form is primary colour, spelled P-R-I-M-A-R-Y- -C-O-L-O-U-R.
Definition
- 1Any of three colours which, when added to or subtracted from others in different amounts, can generate all other colours.
Recorded use
Wiktionary examplesThese source excerpts show how primary colour appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Red, blue and green are additive primary colours.
Magenta, yellow and cyan are subtractive primary colours.
This word in other languages
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.