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Games and odds · free tool

Colour trading chart: what it shows and what it cannot

A colour chart draws past results as dots. Paste the colours you see and compare them with random lists: the counts, the longest streak, and how easily a chart shows shapes that mean nothing.

Tool · runs in your browserNothing is uploaded

Type or paste them. Spaces, commas, new lines or nothing between results all work. In digits mode every digit is one result, and big means 5 to 9 and small 0 to 4 (the common description; if your app shows big and small differently, paste its own B and S results in two-sides mode). In colours mode use G, R and V, or the words green, red, violet.

40, 40 and 20 are the shares you get when violet is shown for the digits 0 and 5 and green and red for the other eight: an illustration. Use the shares your own app states.

Try an example:
60colours read
p = 0.42colour counts against the expected shares: consistent with random
6longest streak of one colour (usually 5 in a list this long)
25%of random lists this long hold a streak that long
9%of 1,000 random lists the same length looked unusual on at least one check
5.4%looked unusual on the counts alone (the 5% line)

All 2 checks on these 60 colours look consistent with random. Random lists this long look unusual on at least one check 9% of the time, so one odd check proves little, and none of it says anything about the next result.

What was checked in these 60 colours
CheckYour listRandom listsVerdict
Count of each colourχ² = 1.8 on 2 degrees of freedomusually below 6.0Consistent with random (p = 0.42)
Longest streak of one colour6 green in a rowusually 5; 6 or more in 25% of random listsConsistent with random (p = 0.25)

Random lists look odd too

This draws 1,000 random lists the same length as yours, runs the same checks on each and counts how many look unusual. It uses random numbers from your browser on your own device. There is no money in it, nothing is saved or sent, and it is not any app’s game.

Drawing results as dots does not change what they are: a list of past outcomes. The chart helps the eye, and the eye finds shapes in anything. The 60 colours here contain a run of 6, which looks like a lot on a chart and is ordinary for a list that long.

Paste the colours as letters, G, R and V, or as the words, and the checks run at once. If the counts differ from the shares you typed by more than random lists usually do, the verdict says so.

The page runs in your browser and sends nothing anywhere. Use the shares your own app states if you change the colour settings.

Common questions

Why do colour charts seem to show patterns?

Because the eye finds shapes in dots, and random lists do contain streaks, clusters and swaps. How often is a matter of counting, and the checks above count it. A pattern is worth a second look only when random lists rarely do the same.

What shares are the colours compared with?

By default 40% green, 40% red and 20% violet, which is what you get if violet is shown for the digits 0 and 5. That is an illustration. Use the shares your own app states, and change the three boxes to match.

Do random results contain patterns?

Yes, all the time. Streaks, runs of switching and repeating blocks all appear in random lists. Among random lists of 100 digits, about one in six is flagged by at least one of the five checks, so a neat pattern alone is no signal.

Why does the page run several checks at once?

Each check looks for a different kind of pattern: counts, streaks, switching and a popular rule. Running several also shows how easily random lists trip at least one, which is why the simulation under the tool is worth a look.

Does this page keep or send the list I paste?

No. The list is read in your browser and nothing is stored or sent. The copy-link button puts the list in the link itself, after the # sign, which a website never receives.

More on the colour history analyser

Wingo analystWingo analyst: 100 pasted digits checked for counts, streaks and runs against random lists. About 17% of random lists look unusual on a check too.Wingo 1 minute panelWingo 1 minute panel. A results panel is a list of past rounds: paste yours and see 80 big and small results checked against random, with a 9-streak.Wingo 30 second liveWingo 30 second live. This page shows no live results: paste the last ones from your screen and see what 24 digits can and cannot tell you.Wingo chart patternWingo chart pattern. Neat patterns appear in random results too: a list that swaps almost every round shows 48 runs, and random lists rarely do that.

The full tool

Colour history analyserThe full colour history analyser, with every setting.