Function resolveCss

resolveCss(colour: string, fallback?: string): string
Resolves a named colour or CSS variable to a colour string. Doesn't do conversion or parsing.
```
resolveCss(`red`);
resolveCss(`my-var`);
```
Parameters
- colour: string
  Colour
- Optionalfallback: string
  Fallback if CSS variable is missing
Returns string
- Defined in visual/src/colour/css-colours.ts:60