| PASS | Constructing a CSSLCH with percent for the lightness works as intended. | |
| PASS | CSSLCH.l can be updated with a percent. | |
| PASS | Constructing a CSSLCH with number for the lightness works as intended. | |
| PASS | CSSLCH.l can be updated with a number. | |
| PASS | Constructing a CSSLCH with css pixels for lightness throws a SyntaxError. | |
| PASS | Constructing a CSSLCH with degrees for lightness throws a SyntaxError. | |
| PASS | CSSLCH can be constructed from three numbers and will get an alpha of 100%. | |
| PASS | CSSLCH can be constructed from four numbers. | |
| PASS | Constructing a CSSLCH with CSS.number for l, c, h or alpha throws a SyntaxError | |
| PASS | Updating a CSSLCH with CSS.number for l throws a SyntaxError | |
| PASS | CSSLCH.l can be updated to a number. | |
| PASS | CSSLCH.l can be updated with a CSS percent. | |
| PASS | Updating a CSSLCH with CSS.number for c throws a SyntaxError | |
| PASS | CSSLCH.c can be updated to a number. | |
| PASS | CSSLCH.c can be updated with a CSS percent. | |
| PASS | Updating a CSSLCH with CSS.number for alpha throws a SyntaxError | |
| PASS | CSSLCH.alpha can be updated to a number. | |
| PASS | CSSLCH.alpha can be updated with a CSS percent. | |