1 files changed, 0 insertions, 127 deletions

diff --git a/src/functions/colors/_apca.scss b/src/functions/colors/_apca.scss
deleted file mode 100644
index d9236b2..0000000
--- a/src/functions/colors/_apca.scss
+++ /dev/null
@@ -1,127 +0,0 @@
-/* stylelint-disable scss/dollar-variable-pattern */
-/* stylelint-disable scss/at-function-pattern */
-
-@use 'sass:color';
-@use 'sass:list';
-@use 'sass:map';
-@use 'sass:math';
-
-$SA98G: (
-    mainTRC:     2.4,
-
-    sRco:        0.2126729, 
-    sGco:        0.7151522, 
-    sBco:        0.0721750,
-
-    normBG:      0.56, 
-    normTXT:     0.57,
-    revTXT:      0.62,
-    revBG:       0.65,
-
-    blkThrs:     0.022,
-    blkClmp:     1.414,
-    scaleBoW:    1.14,
-    scaleWoB:    1.14,
-    loBoWoffset: 0.027,
-    loWoBoffset: 0.027,
-    deltaYmin:   0.0005,
-    loClip:      0.0001,
-
-    mFactor:     1.94685544331710,
-    mOffsetIn:   0.03873938165714010,
-    mExpAdj:     0.2833433964208690,
-    mOffsetOut:  0.3128657958707580,
-);
-
-@function apca_sRGB_to_Y($color) {
-    @return map.get($SA98G, sRco) * math.pow(math.div(color.red($color), 255), map.get($SA98G, mainTRC)) +
-        map.get($SA98G, sGco) * math.pow(math.div(color.green($color), 255), map.get($SA98G, mainTRC)) +
-        map.get($SA98G, sBco) * math.pow(math.div(color.blue($color), 255), map.get($SA98G, mainTRC));
-}
-
-@function apca_Y_to_sRGB($y) {
-    $c: math.round(math.pow($y, math.div(1, map.get($SA98G, mainTRC))) * 255);
-    @return rgb($c, $c, $c);
-}
-
-@function apcaContrast($txtY, $bgY) {
-    $icp: 0.0 1.1;
-
-    @if math.min($txtY, $bgY) < list.nth($icp, 1) or math.max($txtY, $bgY) > list.nth($icp, 2) {
-        @return 0;
-    }
-
-    @if $txtY <= map.get($SA98G, blkThrs) {
-        $txtY: $txtY + math.pow(map.get($SA98G, blkThrs) - $txtY, map.get($SA98G, blkClmp));
-    }
-    @if $bgY <= map.get($SA98G, blkThrs) {
-        $bgY: $bgY + math.pow(map.get($SA98G, blkThrs) - $bgY, map.get($SA98G, blkClmp));
-    }
-
-    @if math.abs($bgY - $txtY) < map.get($SA98G, deltaYmin) {
-        @return 0;
-    }
-
-    $outputContrast: 0;
-
-    @if $bgY > $txtY {
-        $SAPC: map.get($SA98G, scaleBoW) * (math.pow($bgY, map.get($SA98G, normBG)) - math.pow($txtY, map.get($SA98G, normTXT)));
-        
-        @if $SAPC >= map.get($SA98G, loClip) {
-            $outputContrast: $SAPC - map.get($SA98G, loBoWoffset);
-        }
-    } @else {
-        $SAPC: map.get($SA98G, scaleWoB) * (math.pow($bgY, map.get($SA98G, revBG)) - math.pow($txtY, map.get($SA98G, revTXT)));
-        
-        @if $SAPC <= -1 * map.get($SA98G, loClip) {
-            $outputContrast: $SAPC + map.get($SA98G, loWoBoffset);
-        }
-    }
-
-    @return $outputContrast * 100.0;
-}
-
-@function apcaReverse($contrast, $knownY, $knownType: 'bg') {
-    $unknownY:   $knownY;
-
-    $knownExp:   0;
-    $unknownExp: 0;
-
-    $scale:  map.get($SA98G, if($contrast > 0, scaleBoW, scaleWoB));
-    $offset: map.get($SA98G, if($contrast > 0, loBoWoffset, loWoBoffset));
-
-    $contrast: math.div($contrast * 0.01 + $offset, $scale);
-
-    @if $knownY <= map.get($SA98G, blkThrs) {
-        $knownY: $knownY + math.pow(map.get($SA98G, blkThrs) - $knownY, map.get($SA98G, blkClmp));
-    }
-
-    @if $knownType == 'bg' {
-        $knownExp:   map.get($SA98G, if($contrast > 0, normBG, revBG));
-        $unknownExp: map.get($SA98G, if($contrast > 0, normTXT, revTXT));
-        $unknownY:   math.pow(math.pow($knownY, $knownExp) - $contrast, math.div(1, $unknownExp));
-    } @else {
-        $knownExp:   map.get($SA98G, if($contrast > 0, normTXT, revTXT));
-        $unknownExp: map.get($SA98G, if($contrast > 0, normBG, revBG));
-        $unknownY:   math.pow($contrast + math.pow($knownY, $knownExp), math.div(1, $unknownExp));
-    }
-
-    @if '#{$unknownY}' == '#{math.sqrt(-1)}' {
-        @return false;
-    }
-
-    @if $unknownY > 1.06 or $unknownY < 0 {
-        @return false;
-    }
-
-    @if $unknownY <= map.get($SA98G, blkThrs) {
-        $unknownY: math.pow(
-            ($unknownY + map.get($SA98G, mOffsetIn)) * map.get($SA98G, mFactor),
-            math.div(map.get($SA98G, mExpAdj), map.get($SA98G, blkClmp))
-        ) * math.div(1, map.get($SA98G, mFactor)) - map.get($SA98G, mOffsetOut);
-    }
-
-    $unknownY: math.max(math.min($unknownY, 1), 0);
-
-    @return $unknownY;
-}