iGaming Journalist & Crypto Casino Analyst
Every poker hand that reaches the flop is played on one of just 22,100 possible three-card boards, yet most players only have a vague sense of how often each type of board appears. This reference lists exact flop texture probabilities for Texas Hold'em: how often the flop is rainbow, two-tone or monotone, how often it is paired, how often it contains an ace, and how often it is connected. Every number below was computed by enumerating all 22,100 flops (and all 19,600 flops that can follow a specific two-card starting hand), not estimated by simulation.
Key Findings: Flop Texture Probabilities at a Glance
The flop is two-tone 55.06% of the time, rainbow 39.76% and monotone 5.18%. It is paired 17.18% of the time (0.24% trips), contains at least one ace 21.74% of the time, and is disconnected (rank span of five or more, unpaired) 64.29% of the time. A pocket pair flops a set or better 11.76% of the time; a suited hand flops exactly four to a flush 10.94%.
Methodology: How These Numbers Were Calculated
A standard 52-card deck contains C(52,3) = 22,100 distinct three-card combinations. We generated every one with a short Python script and classified each by suit pattern (number of distinct suits), pairing (rank multiplicities), highest card, count of Broadway cards (ten through ace), and rank connectivity. For connectivity, the span is the highest minus the lowest rank on an unpaired flop; when an ace is present we also test the ace-as-one (wheel) span and use the smaller value. For the hole-card section we removed two specific starting cards from the deck and enumerated all C(50,3) = 19,600 remaining flops.
Because the enumeration is exhaustive, the percentages are exact to the rounding shown. As a cross-check, we also collapsed the 22,100 flops by suit isomorphism (treating flops that differ only by a relabeling of suits as identical) and obtained the well-known figure of 1,755 strategically distinct flops, and 455 distinct rank combinations ignoring suits entirely. These are the same counts solver users encounter when they study "all 1,755 flops". Nothing here is a sample, so there is no margin of error.
Suit Texture: Rainbow, Two-Tone and Monotone Flops
Suit texture is the first thing most players read on a board because it determines flush possibilities. There are 8,788 rainbow flops (three different suits), 12,168 two-tone flops (exactly two cards of one suit), and 1,144 monotone flops (all three cards in one suit).
| Suit pattern | Flop combinations | Probability | Odds against |
|---|---|---|---|
| Rainbow | 8,788 | 39.76% | 1.51 to 1 |
| Two-Tone | 12,168 | 55.06% | 0.82 to 1 |
| Monotone | 1,144 | 5.18% | 18.32 to 1 |
Why two-tone flops dominate
Counting by hand: a flop has three cards, and the second card matches the first suit with probability 12/51, while the third card avoids both used suits with probability that depends on the first two. The exact result is that more than half of all flops contain a flush draw possibility for someone holding two suited cards. If you are in a heads-up pot, that means a suited hand will often face a board that is neither completely dry nor completely hostile to flush draws, which is why two-tone textures are the baseline for most solver studies.
Monotone flops are rare but decisive
At 5.18% (about 1 in 19.3 flops), monotone boards are uncommon enough that many players under-prepare for them. When one appears, every player holding a card of that suit has either a made flush draw or a backdoor possibility, and ranges shift significantly. Study of this texture pays off precisely because it is infrequent but high-leverage. Our poker strategy section covers how aggression frequencies change on monotone boards.
Paired and Trips Flops
A paired flop contains exactly two cards of the same rank. There are 13 ranks, C(4,2) = 6 ways to choose the pair, and 48 choices for the odd card, giving 13 × 6 × 48 = 3,744 combinations, or 16.94%. Add 52 trips flops (13 ranks × 4 ways to choose three suits) and the board is paired in some way 17.18% of the time.
| Pairing | Flop combinations | Probability | Odds against |
|---|---|---|---|
| Unpaired | 18,304 | 82.82% | 0.21 to 1 |
| Paired (one pair on board) | 3,744 | 16.94% | 4.90 to 1 |
| Trips (three of a kind) | 52 | 0.24% | 424 to 1 |
What the pairing rate means in practice
Roughly one flop in six (16.94%) is paired, and only about one in 425 is trips. Because paired boards connect poorly with most ranges and favor the preflop aggressor, they are a staple of continuation-betting analysis. If you find that you are folding too often on paired boards, remember that 83% of flops are unpaired and you will meet pairs only about 17 times per hundred flops seen.
High-Card Distribution: How Often the Flop Contains an Ace or King
The highest card on the flop decides which hands hold top pair. The ace is the highest card on 21.74% of flops, which is also the probability that at least one ace appears (1 − C(48,3)/C(52,3) = 21.74%). Kings are the high card 18.33% of the time. Together, an ace or king appears as the highest card on just over 40% of all flops.
| Highest flop card | Flop combinations | Probability | Cumulative |
|---|---|---|---|
| Ace-high (highest card) | 4,804 | 21.74% | 21.74% |
| King-high (highest card) | 4,052 | 18.33% | 40.07% |
| Queen-high (highest card) | 3,364 | 15.22% | 55.29% |
| Jack-high (highest card) | 2,740 | 12.40% | 67.69% |
| Ten-high (highest card) | 2,180 | 9.86% | 77.56% |
| Nine-high (highest card) | 1,684 | 7.62% | 85.18% |
| Eight-high (highest card) | 1,252 | 5.67% | 90.84% |
| Seven-high (highest card) | 884 | 4.00% | 94.84% |
| Six-high (highest card) | 580 | 2.62% | 97.47% |
| Five-high (highest card) | 340 | 1.54% | 99.00% |
| Four-high (highest card) | 164 | 0.74% | 99.75% |
| Three-high (highest card) | 52 | 0.24% | 99.98% |
| Two-high (highest card) | 4 | 0.02% | 100.00% |
Low boards are far rarer than most players assume
The probability that the highest flop card is a nine or lower is only 22.45% cumulatively (summing nine-high through two-high). In other words, more than 77% of flops contain at least one ten or higher. This is a key reason tight preflop ranges, which are heavy in Broadway cards, hit the flop more often than casual players expect.
Broadway Content and Connectivity
Broadway cards are tens, jacks, queens, kings and aces. Most preflop opening ranges contain a large share of them, so the number of Broadway cards on the flop is a proxy for how well a board hits an opening range.
| Broadway cards (T-A) on flop | Flop combinations | Probability |
|---|---|---|
| 0 (completely low/mid board) | 4,960 | 22.44% |
| 1 | 9,920 | 44.89% |
| 2 | 6,080 | 27.51% |
| 3 (all Broadway) | 1,140 | 5.16% |
Nearly half of flops (44.89%) contain exactly one Broadway card, 22.44% contain none, and only 5.16% are fully Broadway. Connectivity tells a complementary story:
| Connectivity (unpaired flops only counted by rank span) | Flop combinations | Probability |
|---|---|---|
| Paired or trips board (no straight shape) | 3,796 | 17.18% |
| Connected: rank span of 2 or less (e.g. 9-8-7, Q-J-T, A-3-2) | 768 | 3.48% |
| Semi-connected: rank span of 3 or 4 (gutshot-type shapes) | 3,328 | 15.06% |
| Disconnected: rank span of 5 or more | 14,208 | 64.29% |
Connected flops are the minority
Only 3.48% of flops are tightly connected (rank span two or less), and about 64% of all flops have no straight shape whatsoever (rank span five or more, unpaired). The practical takeaway is that the "wet, coordinated board" that dominates strategy videos is a minority event, while ragged, disconnected boards are the norm.
How Often Specific Starting Hands Hit the Flop
Having a texture distribution is useful, but players also want to know what their own hand does. The table below shows exact frequencies for classes of starting hands, enumerated over all 19,600 flops from the remaining 50 cards.
| Starting hand | Flop outcome | Flops (of 19,600) | Probability |
|---|---|---|---|
| Any pocket pair (e.g. 77, AA) | Flops a set (exactly three of a kind) | 2,256 | 11.51% |
| Any pocket pair | Flops quads | 48 | 0.24% |
| Any pocket pair | Set or better (three or four of a kind) | 2,304 | 11.76% |
| Suited hand (e.g. AKs, 76s) | Flops exactly four to a flush (flush draw) | 2,145 | 10.94% |
| Suited hand | Flops a made flush (all three flop cards in suit) | 165 | 0.84% |
| Two unpaired, unsuited hole cards (e.g. AKo) | Pairs exactly one hole card (no trips/two pair) | 5,676 | 28.96% |
| Two unpaired hole cards | Flops two pair or better using both ranks | 414 | 2.11% |
| Two unpaired hole cards | Flops trips (one hole rank hit twice) | 282 | 1.44% |
The 11.76% set-mining number
The famous "about 1 in 8.5" set-mining figure falls out directly: 2,304 of 19,600 flops give a pocket pair three or four of a kind, which is 11.76%, or roughly 7.5 to 1 against. This is the arithmetic behind the implied-odds guideline that you should usually need to win at least about 15 to 20 times the price of a call on later streets to justify calling a raise with a small pair. Use the equity calculator to explore how those equities change against specific ranges.
Flush draws and pairs
Suited hands flop exactly four to a flush 10.94% of the time and a completed flush 0.84% of the time. For unpaired hole cards such as ace-king, the chance that at least one hole card pairs on the flop is 32.4% (1 − C(44,3)/C(50,3) = 1 − 13,244/19,600), of which 28.96% is exactly one pair with no trips or two pair.
Practical Uses of This Data
Range construction and solver study
Solver output is often organized by flop texture. Knowing that rainbow boards (39.76%) and two-tone boards (55.06%) together make up 94.8% of all flops tells you where to spend study time. If you are working through GTO versus exploitative play, weighting your study by flop frequency rather than by how dramatic a texture looks is a more efficient way to improve.
Live-read calibration
New players often over-fold on paired boards and over-bluff on monotone boards because those textures feel unusual. The enumeration shows that 17% of flops are paired and 5% are monotone, so neither should be treated as a rare special case in your HUD notes or your session reviews. Pair this data with the terminology in the poker glossary to keep your labels consistent when you review hands.
Teaching and writing
Coaches and writers frequently need a quick reference for texture frequencies. This page is designed to be cited: each table is self-contained and the methodology is fully reproducible. For hand-strength context, see the hand rankings reference.
Limitations
These are board-only and own-hand frequencies on a fresh deck. They do not condition on the actions that lead to the flop. In a real hand, other players' folded or held cards are unknown to you, so the actual composition of the live deck is the same from your point of view, but ranges reaching the flop are skewed toward high cards and suited hands, which changes how often a given board helps the people still in the pot. We also define connectivity by rank span only; other definitions (for instance, counting the number of straight draws a board allows) would classify some flops differently.
Frequently Asked Questions
How often is the flop rainbow?
Exactly 8,788 of 22,100 flops are rainbow, which is 39.76%, or about 1 in 2.5 flops.
How often is a flop paired?
16.94% of flops contain exactly one pair, and 0.24% are three of a kind. In total, 17.18% of flops are paired in some way.
How many different flops are there in Texas Hold'em?
There are 22,100 possible three-card flops. Treating suits as interchangeable reduces that to 1,755 strategically distinct flops, and ignoring suits entirely leaves 455 distinct rank combinations.
What are the odds of flopping a set with a pocket pair?
11.51% for exactly a set and 11.76% for a set or better, which is roughly 7.5 to 1 against.
How often does an ace appear on the flop?
At least one ace appears on 21.74% of flops, which is roughly 1 in 4.6.
Sources and Further Reading
- Original combinatorial enumeration of all 22,100 flops and 19,600-flop hole-card sets, DeucesCracked Editorial, November 2026 (Python, exhaustive).
- PokerListings, Poker Math series (flop texture types)
- Poker1, The Anatomy of a Flop
- The Poker Bank, How to work out flop probability
- rec.poker, flopping a set discussion
Cite This Article
If you use data from this article, please link back to https://www.deucescracked.com/blog/flop-texture-probabilities-exact-holdem-data. Suggested citation: DeucesCracked Editorial (2026). Flop Texture Probabilities: Exact Hold'em Flop Data. DeucesCracked.com. For more learning material, browse the beginner poker lessons.
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