| Indicator | Acid Color | Low pH | High pH | Base Color |
| Methyl violet | yellow | 0.0 | 1.6 | blue |
| Cresol red (1st range) | red | 0.0 | 1.8 | yellow |
| Crystal violet | yellow | 0.0 | 1.8 | blue |
| Malachite green | yellow | 0.2 | 1.8 | blue-green |
| Methyl green | yellow | 0.2 | 1.8 | blue |
| Metanil yellow | red | 1.2 | 2.4 | yellow |
| m-Cresol purple (1st range) | red | 1.2 | 2.8 | yellow |
| Metacresol purple (1st range) | red | 1.2 | 2.8 | yellow |
| Thymol blue (1st range) | red | 1.2 | 2.8 | yellow |
| 4-o-Tolylazo-o-toluidine | orange | 1.4 | 2.8 | yellow |
| Orange IV (Tropeolin 00) | red | 1.4 | 3.2 | yellow |
| 2,6-Dinitrophenol | colorless | 1.7 | 4.4 | yellow |
| Benzyl orange | red | 1.9 | 3.3 | yellow |
| 2,4-Dinitrophenol | colorless | 2.0 | 4.7 | yellow |
| Benzopurpurine 48 | violet | 2.2 | 4.2 | red |
| p-Dimethylaminoazobenzene | red | 2.9 | 4.0 | yellow |
| Bromochlorophenol blue | yellow | 3.0 | 4.6 | purple |
| Bromophenol blue | yellow | 3.0 | 4.6 | blue |
| Congo red | blue | 3.0 | 5.0 | red |
| Methyl orange | red | 3.1 | 4.4 | yellow |
| Ethyl orange | red | 3.4 | 4.8 | yellow |
| Bromocresol green | yellow | 3.8 | 5.4 | blue |
| Resazurin | orange | 3.8 | 6.4 | violet |
| 2,5-Dinotrophenol | colorless | 4.0 | 5.8 | yellow |
| Methyl red | red | 4.2 | 6.3 | yellow |
| Azolitmin (litmus) | red | 4.4 | 6.6 | blue |
| Alizarin red S | yellow | 4.6 | 6.0 | red |
| Propyl red | red | 4.6 | 6.6 | yellow |
| Chlorophenol red | yellow | 4.6 | 7.0 | red |
| p-Nitrophenol | colorless | 4.7 | 7.9 | yellow |
| Bromophenol red | yellow | 4.8 | 6.8 | purple |
| Bromocresol purple | yellow | 5.2 | 6.8 | purple |
| p-Nitrophenol | colorless | 5.4 | 6.6 | yellow |
| Bromothymol blue | yellow | 6.0 | 7.6 | blue |
| Brilliant yellow | yellow | 6.6 | 7.8 | red |
| Phenol red | yellow | 6.6 | 8.4 | red |
| m-Nitrophenol | colorless | 6.6 | 8.6 | yellow |
| Neutral red | red | 6.8 | 8.0 | yellow |
| Rosolic acid | brown | 6.9 | 8.0 | red |
| Cresol red (2nd range) | yellow | 7.0 | 8.8 | red |
| a-Naphtholphthalein | brown | 7.3 | 8.7 | green |
| Metacresol purple (2nd range) | yellow | 7.4 | 9.0 | purple |
| m-Cresol purple (2nd range) | yellow | 7.4 | 9.2 | purple |
| Orange I (Tropeolin ))) No.�� ) | yellow | 7.6 | 8.9 | rose |
| Thymol blue (2nd range) | yellow | 8.0 | 9.6 | blue |
| Phenolphthalein | colorless | 8.0 | 10.0 | red |
| o-Cresolphthalein | colorless | 8.2 | 9.8 | red |
| Thymolphthalein | colorless | 8.8 | 10.6 | blue |
| Alizarin yellow GG | yellow | 10.0 | 12.0 | orange |
| b-Naphthol violet | yellow | 10.0 | 12.0 | violet |
| Alizarin yellow R | yellow | 10.1 | 12.2 | red |
| Nitramine | colorless | 10.8 | 13.0 | brown |
| Poirrier blue | blue | 11.0 | 13.0 | red |
| Resorcin yellow (Tropeolin 0) | yellow | 11.1 | 12.7 | orange |
| Benzene sulfonic acid | yellow | 11.4 | 12.6 | orange |
| Indigosulfonic acid | blue | 11.4 | 13.0 | yellow |
| Clayton yellow | yellow | 12.2 | 13.2 | amber |
