Summary of colour change in bruises with time
| Source | 0–24 h | 1–3 days | 4–7 days | 1–2 weeks | Over 2 weeks |
|---|---|---|---|---|---|
| The data are adapted from various authors' observations, excluding studies from photographs. | |||||
| Camps (1976)5 | Red, dusky/purple, black | Green | Yellow | Resolution | |
| Glaister (1962)6 | Dark blue | Dark blue | Green | Yellow | Resolution |
| Polson et al (1985)7 | Red, dark or red/black | Greenish tinge (day 7) | Yellowing | Resolution | |
| Smith and Fiddes (1955)8 | Red, purple/black | Yellow (begins) | Yellow | Yellow/resolution | |
| Spitz and Fisher (1974)9 | Light blue/red | Dark purple | Dark purple, greenish/yellow | Brown | Resolution |
| Adelson (1974)10 | Red/blue, purple | Blue/brown | Yellow/green | Resolution | Resolution |