| G, P, S, T | Orange | |
| H, K, R | Red | |
| F, W, Y | Blue | |
| I, L, M, V | Green |
| Small nonpolar | G, A, S, T | Orange |
| Hydrophobic | C, V, I, L, P, F, Y, M, W | Green |
| Polar | N, Q, H | Magenta |
| Negatively charged | D, E | Red |
| Positively charged | K, R | Blue |
| A, G | Light green | |
| C | Green | |
| D, E, N, Q | Dark green | |
| I, L, M, V | Blue | |
| F, W, Y | Lilac | |
| H | Dark blue | |
| K, R | Orange | |
| P | Pink | |
| S, T | Red |
| Polar positive | H, K, R | Blue |
| Polar negative | D, E | Red |
| Polar neutral | S, T, N, Q | Green |
| Non-polar aliphatic | A, V, L, I, M | White |
| Non-polar aromatic | F, W, Y | Magenta |
| P, G | Brown | |
| C | Yellow | |
| Special characters | B, Z, X, - | Grey |