In a standard pool set, the solid orange ball is number 5, and the orange-striped ball is number 13. The number and stripe pattern tell you which one you are looking at.
That answer applies to common numbered pool balls, but billiards can also refer to games with different equipment and color schemes. This guide explains how to spot both orange balls, how the numbering works, and why a set may look different under certain lights. You will also learn what to do if the color is hard to see or the balls do not match the familiar pattern.
which billiard ball is orange in a standard pool set?
In a standard set of numbered pool balls, number 5 is solid orange and number 13 is orange with a stripe. Both are object balls, meaning they are balls you aim to hit with the cue ball.
Look for the number printed on a small white circle. If the ball has a broad white band around its middle, it is striped; if it has no band, it is solid. The orange background or body color stays the same for the matching pair.
This color pairing is used in common eight-ball and nine-ball sets. It helps players identify balls quickly, but the number remains the most dependable clue if lighting, wear, or a nonstandard set makes the color uncertain.
How the orange balls fit into the pool-ball numbering system
A typical pool set contains 15 numbered object balls and one white cue ball. Numbers 1 through 7 are solids, the 8 ball is black, and numbers 9 through 15 are stripes. Each stripe generally shares its color with a solid ball whose number is eight lower.
That means number 13 corresponds to number 5: both are orange. The same pattern applies to other colors, such as the blue 2 and blue-striped 10. The number helps distinguish a solid from its striped partner when the colors are similar.
Here is the usual color arrangement in a traditional set:
| Ball numbers | Usual appearance | Best identification clue |
|---|---|---|
| 1 and 9 | Yellow solid and yellow stripe | Number and stripe pattern |
| 2 and 10 | Blue solid and blue stripe | Number and stripe pattern |
| 3 and 11 | Red solid and red stripe | Number and stripe pattern |
| 4 and 12 | Purple solid and purple stripe | Number; purple shades can vary |
| 5 and 13 | Orange solid and orange stripe | Number 5 is solid; number 13 is striped |
| 6 and 14 | Green solid and green stripe | Number and stripe pattern |
| 7 and 15 | Maroon or brown solid and stripe | Number; shades can vary |
| 8 | Black | Black body and number 8 |
Color names are useful, but they are not a substitute for the printed number. Different manufacturers may use slightly different shades, especially for purple, maroon, or brown.
How to tell the solid orange ball from the orange stripe
The simplest check is to read the number. Number 5 is the solid orange ball. Number 13 is orange with a white stripe. If the number is hidden by the ball’s position, turn it carefully or inspect the visible surface before taking your shot.
- Find the number. Look for the white number circle and read the printed digit.
- Check the body pattern. A solid has its color over most of the surface. A stripe has a wide white band around its center.
- Compare with a known ball. If the set is unfamiliar, use another numbered pair or the set’s printed diagram to confirm its color scheme.
On a striped ball, the white band does not mean the ball is white. The colored sections on either side identify its color family. On number 13, those sections are orange.
Why the orange can look yellow, red, or brown
Pool-ball colors can look different from one table to another. Warm room lighting may make orange appear more yellow, while dim light can make it look brown or muted. Strong glare can wash out the white stripe and make a striped ball harder to distinguish.
Ball condition also matters. Scratches, chalk, grime, and faded surfaces can dull the orange. A clean ball under even lighting is easier to identify, but the number is still more reliable than judging the shade by eye.
Some sets use a brighter or deeper orange than others. That variation does not usually change the ball’s number or role. If you are playing with a set whose colors look unusual, agree on the identification before the game begins and use the numbers as the reference.
Does the orange ball have a special role in eight-ball or nine-ball?
The orange balls do not have a special scoring power just because they are orange. Their role depends on the game and, in eight-ball, on which group a player is assigned.
In eight-ball
Number 5 is a solid, so it belongs to the solids group. Number 13 is a stripe, so it belongs to the stripes group. After the table is open and groups are assigned under the applicable rules, a player normally aims to pocket balls from their group before legally pocketing the 8 ball.
Do not assume the orange ball is yours based only on its color. Check whether your group is solids or stripes, and follow the rules agreed for the game. House rules can differ, so settle questions about assignments and fouls before play starts.
In nine-ball
Nine-ball uses the balls numbered 1 through 9, so number 5 may be in play but number 13 is not part of the standard rack. Players must contact the lowest-numbered ball on the table first, though the shot can legally pocket another ball if the rules are met. The orange number 5 is therefore not automatically the target; the lowest remaining number determines the required first contact.
Pool, snooker, and other billiards games do not use identical sets
The word “billiards” can refer broadly to cue sports, but their equipment is not all the same. The orange-numbered pairing applies to a familiar numbered pool set, not every game played on a table with cues.
| Game or set | Typical ball setup | Is there a standard orange 5 and 13 pair? | Best for |
|---|---|---|---|
| Eight-ball pool | Numbered solids, stripes, black 8, and cue ball | Yes, in common sets | Identifying the solid and stripe groups |
| Nine-ball pool | Numbered balls 1 through 9 and cue ball | Number 5 is usually orange; number 13 is not used | Recognizing the required numbered ball |
| Snooker | Red balls, colored balls, and a white cue ball | No | Playing a game with a different color set and scoring system |
| Carom billiards | Usually a small set of unnumbered balls | Not in the standard pool sense | Playing without numbered pool-ball groups |
Snooker uses colors such as red, yellow, green, brown, blue, pink, and black, along with a white cue ball. It does not use a numbered orange ball in the standard setup. Carom sets also differ from numbered pool sets, and equipment can vary by game or manufacturer.
Some versions of English pool and novelty sets use different colors or markings. If the equipment does not have familiar numbers, check its labeling or the rules supplied with the set rather than assuming the standard pool colors apply.
What to do if the ball numbers or colors are hard to see
Players with color-vision differences, poor lighting, or worn equipment can identify balls by more than color. The numbers and solid-or-stripe patterns provide separate visual cues. These cues are useful because they do not depend on distinguishing orange from another color.
- Improve the lighting. Even light over the table reduces shadows and glare on the balls.
- Read the number directly. Move to a better viewing angle if another ball or the pocket hides it.
- Use the pattern. A stripe and a solid remain visually different even if their colors look alike.
- Agree on labels before play. If a set has unusual colors or unreadable numbers, confirm which ball is which with everyone.
A practical detail people often miss: table felt can affect how a ball appears. A bright orange ball may seem more vivid against blue or green cloth, while reflections or nearby colored lights can shift its appearance. Do not make a close call from color alone when you can check the number.
Common mix-ups when identifying the orange ball
Confusing number 5 with number 13
Both are orange, so it is easy to call either one “the orange ball.” Be specific: number 5 is the solid orange ball, and number 13 is the orange stripe. That distinction matters in games that divide the object balls into solids and stripes.
Assuming every set uses identical shades
Manufacturers may vary the exact hue, and older balls may be faded or dirty. A ball that looks amber or reddish can still be number 5 or 13. The printed number and pattern settle the question more reliably than an exact shade match.
Thinking the stripe makes number 13 a different color
The white band is a pattern, not a replacement color. Number 13 remains part of the orange pair, just as number 10 is part of the blue pair and number 9 is part of the yellow pair.
Applying pool colors to snooker or carom
Not all cue sports use the same balls. Before identifying a ball by a pool color chart, confirm which game and equipment are on the table. A snooker set, for instance, does not contain the standard numbered orange pool pair.
Quick ways to remember the orange pair
If you play often, a small memory cue can save time. Remember that 5 is the orange solid and adding eight gives 13, its orange-striped partner. The same eight-number gap links each solid to its stripe in a standard numbered set.
For a quick check during a game, use this sequence: find the number, confirm whether it is solid or striped, then apply the rules of the game being played. If the ball is unnumbered or the colors do not match a standard pool set, identify the equipment before relying on that pattern.
This method works better than memorizing color alone because numbers remain distinct even when the cloth, lighting, or ball condition changes. It also helps you avoid a common mistake: treating the two orange balls as interchangeable in eight-ball.
In a common numbered pool set, number 5 is the solid orange ball and number 13 is its orange-striped partner. Use the number and pattern to identify each one, especially when lighting or ball condition makes the color hard to judge.
Before your next game, check that the set follows the standard pool pattern and confirm whether you are playing solids or stripes. If the balls are nonstandard, agree on their labels before the break.