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@ixfx/visual
Colour
SrgbSpace
changeLightness
Function changeLightness
changeLightness
(
rgb
:
Rgb
,
amount
:
Partial
<
{
delta
:
number
;
fixed
:
number
;
pdelta
:
number
}
>
,
)
:
Rgb
Sets the lightness value.
Amount to change:
'fixed': a fixed amount
'delta': increase/decrease by this amount
'pdelta': proportion of current value to change by ('percentage delta')
Use negative values to decrease
Parameters
rgb
:
Rgb
amount
:
Partial
<
{
delta
:
number
;
fixed
:
number
;
pdelta
:
number
}
>
Returns
Rgb
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Sets the lightness value.
Amount to change:
Use negative values to decrease