F1 tyre compounds explained: what the colours mean
Each weekend three dry tyres are nominated and colour-coded: soft is red, medium is yellow and hard is white. In the wet there are two more — green intermediates for a damp track and blue full wets for heavy rain. Softer means more grip but faster wear; harder means less grip but a longer life.
The F1 tyre colours at a glance
There are only five tyres to learn, and the sidewall colour is the quick key to all of them. Three are dry-weather “slicks” (no tread) and two are grooved wet-weather tyres. This is the reference most people are looking for:
| Colour | Tyre | Characteristics | Typical use |
|---|---|---|---|
| Red | Soft | The softest of the three nominated for the weekend. Most grip and the fastest lap, warms up quickly, but wears out soonest. | Qualifying and short, aggressive race stints |
| Yellow | Medium | The middle nomination — a compromise between the soft's grip and the hard's durability, and often the most flexible race tyre. | The all-round race stint |
| White | Hard | The hardest of the three. Least outright grip and slowest to switch on, but lasts the longest, so it enables the longest stints. | Long race stints and one-stop strategies |
| Green | Intermediate | A grooved crossover tyre for a damp or drying track, or light rain — the go-to when it is too wet for slicks but not flooded. | Damp or drying track |
| Blue | Full wet | The most heavily grooved tyre, for standing water and heavy rain. It clears the most water and is the safest choice in the worst conditions. | Heavy rain, standing water |
The three dry compounds: soft, medium, hard
For a dry race weekend the tyre supplier nominates three dry compounds, and at the track they are simply called soft, medium and hard, marked red, yellow and white. The difference between them is a single trade-off: grip versus durability. The soft gives the most grip and the fastest lap but wears out quickest; the hard grips least and takes longest to warm up but lasts far longer; the medium splits the difference. Which one is quickest overall on a given day depends on the track, the temperature and how many laps a set has to last — which is exactly what makes tyre choice a strategy question rather than a fixed answer.
The rules add one more twist: in a dry Grand Prix every driver must use at least two different dry compounds, which guarantees at least one pit stop. Deciding which compounds to run and when to switch is at the heart of the undercut and overcut and of managing tyre degradation across a stint.
The C1–C5 compound library (and why a “soft” isn’t always the same)
Behind those three simple labels sits a numbered library of dry compounds. For 2026 it runs from C1, the hardest, to C5, the softest — five compounds in all. For each Grand Prix the supplier picks three neighbouring compounds from this library, and those become that weekend’s hard, medium and soft. That is why a “soft” at a smooth, low-severity circuit can be a physically different, softer rubber than the “soft” nominated for an abrasive, high-energy track: the label is relative to the three chosen that weekend, not an absolute compound.
| Compound | Hardness | Character |
|---|---|---|
| C1 | Hardest | The hardest compound in the range. The most durable and the slowest to wear, but it needs the most heat and time to reach its grip, so it suits abrasive, high-energy circuits and long stints. |
| C2 | 2 of 5 | A hard, durable compound one step softer than C1. A common race-stint choice at demanding tracks where teams want to run long without a big drop in pace. |
| C3 | 3 of 5 | The balanced middle of the library. Versatile enough to appear as a hard, medium or soft depending on which three compounds are nominated for the weekend. |
| C4 | 4 of 5 | A soft, high-grip compound that warms up quickly and gives strong single-lap pace, at the cost of faster wear. Often the qualifying tyre at medium-severity tracks. |
| C5 | Softest | The softest compound for 2026. The most grip and the quickest lap, but it wears fastest and is best on smooth, low-severity circuits or for a short qualifying run. |
Intermediates and full wets
When it rains the slicks come off. The intermediate (green) is a grooved crossover tyre for a damp or drying track, or light rain — the choice when it is too wet for slicks but not flooded. The full wet (blue) is the most heavily grooved tyre, built to clear standing water in heavy rain; it is the safest tyre in the worst conditions but slower than an intermediate once a racing line begins to dry. Reading the crossover between these three states — slick, inter, wet — is one of the biggest calls a team makes in changeable weather.
What changed for 2026
For 2026 the dry library was trimmed to five compounds. The previous softest compound, C6, was dropped because the gap to the next compound was too small to add real strategic value, and the gaps between the remaining compounds were widened so the choice between them matters more. The 2026 cars also run slightly narrower, lighter tyres to suit the new-era regulations, while keeping the 18-inch wheel rim. The colour code — red, yellow, white, green, blue — is unchanged.
What time is the race? See it live
Tyre strategy only comes alive when you watch it unfold. See when practice, qualifying and the race start for the United States GP in your timezone, or browse the full 2026 F1 schedule. For how long a stint has to last, see how long an F1 race is.
F1 tyre compounds — FAQ
What do the F1 tyre colours mean?
The sidewall colour tells you the tyre. Of the three dry compounds nominated for a weekend, the softest is marked red (soft), the middle one yellow (medium) and the hardest white (hard). The two wet-weather tyres are green for intermediates (a damp or drying track) and blue for full wets (heavy rain and standing water).
What is the difference between soft, medium and hard tyres?
It is a trade-off between grip and durability. The soft (red) has the most grip and the fastest lap but wears out soonest; the hard (white) has the least grip and is slowest to warm up but lasts the longest; the medium (yellow) sits in between. Teams weigh outright pace against how many laps a set survives when they plan their pit stops.
What is the C1–C5 range in F1?
Behind the soft/medium/hard labels sits a numbered library of dry compounds — for 2026 it runs from C1, the hardest, to C5, the softest (Pirelli dropped the old C6 for 2026). For each Grand Prix the supplier picks three neighbouring compounds from that library, and those become that weekend's hard, medium and soft. So a "soft" at one circuit can be physically harder rubber than the "soft" at another.
Why do F1 teams change tyres during a race?
Two reasons. Tyres lose grip as they wear, so a fresh set is faster — and the rules require every driver to use at least two different dry compounds during a dry Grand Prix, which forces at least one pit stop. Choosing which compounds to run and when to stop is one of the central strategic decisions of a race.
What are the green and blue tyres in F1?
They are the wet-weather tyres. Green marks the intermediate, a grooved tyre for a damp or drying track or light rain. Blue marks the full wet, the most heavily grooved tyre, used for heavy rain and standing water because it clears the most water. Slick (treadless) tyres are only used in the dry.
What changed about F1 tyres for 2026?
Pirelli reduced the dry library to five compounds, C1 to C5, dropping the C6 that existed previously because the gap between the two softest compounds was too small to add strategic value; the gaps between the remaining compounds were widened. The 2026 cars also run slightly narrower, lighter tyres to suit the new-era regulations, keeping the 18-inch rim.
Know the tyres — now catch the strategy live. See when the United States GP starts in your timezone, or browse the full 2026 F1 schedule.
The colour code and compound library are curated from the current Pirelli/FIA tyre regulations and are current as of 14 August 2026. The nominated compounds change every weekend; this page states the evergreen rules only. Unofficial; not affiliated with Formula 1.