The hwb() functional notation expresses a given color according to its hue, whiteness, and blackness. An optional alpha component represents the color's transparency.
Syntax
hwb(194 0% 0%) /* #00c3ff */ hwb(194 0% 0% / .5) /* #00c3ff with 50% opacity */
Values
Functional notation: hwb(H W B[ / A])
H-
A
<number>(), an<angle>(), or the keywordnone, which represents the hue angle. More details on this type can be found on the<hue>()reference. W,B-
Each as a
<percentage>()or the keywordnone, which represent whiteness and blackness, respectively. They specify the amount of white and black to mix in, from0%(no whiteness or blackness) to100%(full whiteness or blackness).If
W + B = 100%, it defines some shade of gray. IfW + B > 100%,WandBare effectively normalized asW / (W + B)andB / (W + B), respectively. AOptional-
An
<alpha-value>()or the keywordnone, where the number1corresponds to100%(full opacity).
Note: See Missing color components for the effect of none.
See also
<color>(): For a list of all color notations