The winning Colorado Pick 3 numbers for May 21, 2021 were: midday 2-2-6; evening 9-3-4.
Sum is the digits added together (5+5+0 = 10). Root sum keeps adding until one digit is left (10 → 1+0 = 1) — many regular players track it in their notebooks. Odd/Even marks each digit O or E (5-5-0 = OOE). High/Low marks 0–4 as L and 5–9 as H (5-5-0 = HHL).
Sum is the digits added together (5+5+0 = 10). Root sum keeps adding until one digit is left (10 → 1+0 = 1) — many regular players track it in their notebooks. Odd/Even marks each digit O or E (5-5-0 = OOE). High/Low marks 0–4 as L and 5–9 as H (5-5-0 = HHL).
| Date | Draw | Numbers | Sum | Root |
|---|---|---|---|---|
| May 21, 2021 | Evening | 9-3-4 | 16 | 7 |
| May 21, 2021 | Midday | 2-2-6 | 10 | 1 |
| May 20, 2021 | Evening | 3-5-0 | 8 | 8 |
| May 20, 2021 | Midday | 7-7-9 | 23 | 5 |
| May 19, 2021 | Evening | 2-2-5 | 9 | 9 |
| May 19, 2021 | Midday | 8-1-5 | 14 | 5 |
| May 18, 2021 | Evening | 5-7-5 | 17 | 8 |
| May 18, 2021 | Midday | 4-3-9 | 16 | 7 |
| May 17, 2021 | Evening | 5-5-0 | 10 | 1 |
| May 17, 2021 | Midday | 9-0-2 | 11 | 2 |
| May 16, 2021 | Evening | 1-3-4 | 8 | 8 |
| May 16, 2021 | Midday | 0-9-3 | 12 | 3 |
| May 15, 2021 | Evening | 3-7-8 | 18 | 9 |
| May 15, 2021 | Midday | 9-3-1 | 13 | 4 |