CS2 Skin Patterns Explained: When Float Isn't the Number That Matters

Two AK-47 Case Hardened skins can have the same finish, the same wear grade, and still sell for prices that aren't anywhere near each other. Float explains some of it. Stickers, StatTrak, and provenance explain a bit more. But on certain skins, the thing doing most of the work is a number you won't even see on the Steam listing: the pattern index. It decides where the skin's texture actually lands on the gun, and on a handful of finishes it's the difference between a normal skin and one that's changed hands privately for six figures. The trick is knowing which skins that even applies to, because for most of them it doesn't matter at all.

What the Pattern Index Actually Is

Every skin in CS2 rolls two numbers the second it's created. One is the float, which handles how worn the skin looks. The other is the pattern index, or paint seed, and that one controls where the texture sits on the weapon.

Most inspection tools show the pattern index on a 0 to 999 scale, give or take, depending on which tool you're using. Think of it as an offset. It tells the game which chunk of the skin's texture to grab and slap onto the model, so when the number changes, the chunk it grabs changes with it.

On a skin with a plain, even texture, none of that does anything. You could roll seed 4 or seed 812 and it'd look identical. But on a skin where the texture has actual regions to it, different colors, gradients, patches of this and that, moving the offset can completely change what the gun looks like. That's the entire reason some patterns are worth a fortune and others aren't.

Float and Pattern Have Nothing to Do With Each Other

These two numbers are totally independent. You can get a Battle-Scarred skin with an insane pattern, or a Factory New one with a pattern nobody cares about. One doesn't affect the other, ever.

Pattern isn't the only thing moving a skin's price, obviously. StatTrak, stickers and where they're placed, trade history, provenance, the weapon itself, all of that stacks on top. On knives you've also got stuff like Karambit corner wear or how clean the Butterfly animation is. Pattern gets its own article because it's the one people understand the least, not because it's the only thing that counts.

And here's the honest part: on most CS2 skins, the pattern does nothing. The texture's even enough that every seed looks the same, so you can stop worrying about it. Everything below is about the specific finishes where that flips, and pattern suddenly becomes the first thing you should be looking at.

Case Hardened: Where the Gap Gets Silly

The AK-47 Case Hardened is the poster child for pattern pricing in CS2. The texture's this swirl of blue and gold, and the seed decides how much blue ends up on the top receiver, which is basically the part of the gun you stare at the whole match.

Get a ton of blue up there and you've got what traders call a blue gem. That's a community term, by the way, not something Valve stamps on the skin. The tier lists ranking these are all community-made and they shift around over time, and honestly different sites will rank the borderline ones differently. The clearly top-tier patterns though, everyone pretty much agrees on those.

Named Seeds, and Why Placement Beats Total Blue

Pattern #661 is one of the famous AK Case Hardened seeds and gets treated as a top blue gem across the board. Same as any named pattern, what it actually sells for depends on the float, who's buying that week, and what similar ones have gone for lately. So if you see one reported private sale getting thrown around as "the price," take it with a grain of salt.

Same deal on Case Hardened knives, where it's the blue on the blade face doing the work. On the Five-SeveN Case Hardened, seeds like the well-known #278 pull premiums because the blue lands right on the slide where you actually see it.

The thing the tier lists are really ranking, across all of these, is blue in the spots you can see, not just blue overall. A pattern loaded with blue but with gold sitting on the top receiver loses to one with less total blue placed better. Location's the whole game here.

Fade Percentage: What That Number Means

Fades work differently, though it comes back to the same idea, the seed maps the texture and some layouts are worth more. A Fade has this gradient running across a spectrum of colors, and the fade percentage tells you how much of the gun that gradient covers. Higher percentage means less dull grey area, and a full fade means the gradient's covering the whole relevant surface.

Now here's what people get wrong constantly. A full fade means the entire gradient is there, yellow, pink, purple, all of it. It does not mean "more purple" and it does not mean "less yellow." If someone tells you the yellow being gone makes it a fuller fade, they've got it backwards. Full fade = the full gradient, yellow included.

Always Use the Calculator for That Exact Knife

The community's already mapped seed-to-percentage for most fade knives, so you can punch in a seed and see exactly what percentage it gives you. Just know that mapping is per-knife. A seed that hits 98% on one knife might do something totally different on another, so grab the calculator built for the specific knife you're looking at, not a generic one.

Higher fade percentage does carry a real premium, and on the pricier knives the gap between a partial and a full fade gets big enough in raw dollars that you'll want to check before you agree to anything.

Doppler Phases and the Special Ones

Dopplers have their own thing going on, and here the seed sets the phase instead of a percentage. There are four standard phases, each with its own look, and the market definitely doesn't treat them equally.

These are simplified since the exact look shifts by weapon and seed, but once you've seen a few you'll clock the difference pretty quick.

The Special Variants

Sitting above the four standard phases are three variants that cost a lot more. Ruby's basically all red, Sapphire's all blue, and Black Pearl is this dark multi-toned thing that doesn't look like any of the standard phases. All three come from specific seed ranges, which is why they're rare, and it's also why you double-check which one you're actually looking at before talking price.

And the standard Doppler isn't the only family, either. Gamma Doppler has its own four phases plus its own special one, the Gamma Doppler Emerald, which is mostly green and sits up there with Ruby, Sapphire, and Black Pearl.

So with any Doppler, figure out if it's standard or Gamma first, then nail down the exact phase or variant. Pricing a Phase 1 like it's a Phase 2 is a super common mistake, and mixing up standard and Gamma is the same mistake wearing a different hat.

Marble Fade and Fire and Ice

Marble Fade is that swirl of red, blue, and yellow, and most of them show all three colors mixed across the surface. The one everybody wants is called Fire and Ice, which is the trader term for patterns that come out mostly red and blue with barely any yellow showing.

Fire and Ice is another community label, not a Valve grade, and what counts as a real one changes from knife to knife. That's why the Marble Fade tier lists are all weapon-specific. A seed that gives you a killer Fire and Ice on one knife won't do the same on another, so use the list for the exact knife instead of some general Marble Fade ranking.

The jump from a normal three-color Marble Fade to a clean Fire and Ice is a real premium on every knife that comes in this finish. How big depends on the knife, what the market's doing, the float, and any sticker value on that specific piece.

The Skins Where Pattern Actually Matters

Anything outside these four, pattern's just trivia. Anything inside them, it's one of the first things to look at before you buy or sell.

How to Actually Check a Skin's Pattern

CS2 doesn't show you the pattern index anywhere in your inventory, so you've got to pull it yourself. Copy the item's inspect link off Steam, drop it into a solid inspection tool, and it'll give you the float, the pattern index, and a rendered preview so you can see what you're dealing with.

For anything where the pattern's driving the price, it's worth confirming the number on more than one trusted tool and inspecting the real in-game item, not some screenshot the seller sent you. Then you match the pattern against the right resource: blue gem list for Case Hardened, the percentage calculator for that Fade knife, a phase tool that covers standard and Gamma for Dopplers, and the weapon-specific list for Marble Fade. Takes a minute, and skipping it is exactly where people overpay.

One Scam to Watch For

Never log into some random inspection tool through a link a seller or trader sends you. Go to the site yourself, check the domain's actually right before you type anything, and make sure the item it's showing you is the exact one from the listing. This is a known scam in CS2 trading and it's honestly easy to dodge, just open the tool directly instead of clicking someone else's link.

F.A.Q

What's a paint seed in CS2?

It's a number assigned when the skin is created that decides where the texture sits on the weapon. Also called the pattern index. On most skins it changes nothing, but on Case Hardened, Fade, Doppler, and Marble Fade it's one of the biggest things affecting the price.

Why are some Case Hardened skins worth so much more than others?

The AK Case Hardened texture is blue and gold, and the seed decides how much blue lands on the top receiver you actually see. Heavy, well-placed blue gets you a blue gem, which pulls a big premium. Placement beats total blue, so blue in the right spot is worth more than more blue in the wrong spot.

Does float or pattern matter more in CS2?

Depends on the skin. For most of them, float and stickers set the price and pattern's irrelevant. For Case Hardened, Fade, Doppler, and Marble Fade, pattern's one of the first things to check and can straight up beat float. On those, look at pattern first.

What counts as a full Fade in CS2?

A full Fade means the whole gradient is on the gun, yellow, pink, and purple included. It does not mean less yellow, which is the myth people repeat all the time. Fade percentage is just how much of the surface the gradient covers, and community calculators map each seed per knife so you can look up the exact number.