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Pattern: Missing number/angle notation for degree hue

Issue: -

Description

Because hues are so often given in degrees, a hue can also be given as a number, which is interpreted as a number of degrees.

Examples

string: "angle"|"number"

"angle"

Degree hues must always use angle notation.

The following patterns are considered violations:

a { color: hsl(198 28% 50%) }
a { color: lch(56.29% 19.86 10 / 15%) }

The following patterns are not considered violations:

a { color: hsl(198deg 28% 50%) }
a { color: lch(56.29% 19.86 10deg / 15%) }

"number"

Degree hues must always use the number notation.

The following patterns are considered violations:

a { color: hsl(198deg 28% 50%) }
a { color: lch(56.29% 19.86 10deg / 15%) }

The following patterns are not considered violations:

a { color: hsl(198 28% 50%) }
a { color: lch(56.29% 19.86 10 / 15%) }

Further Reading