diff options
Diffstat (limited to 'scripts/theme-studio/app-core.js')
| -rw-r--r-- | scripts/theme-studio/app-core.js | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/scripts/theme-studio/app-core.js b/scripts/theme-studio/app-core.js index 0d1ce999..cf3e7ff8 100644 --- a/scripts/theme-studio/app-core.js +++ b/scripts/theme-studio/app-core.js @@ -138,9 +138,9 @@ function nameOfHex(palette,hex){const p=palette.find(p=>p[0].toLowerCase()===hex function nearestAnchor(H){let best=HUE_ANCHORS[0],bd=999;for(const a of HUE_ANCHORS){let d=Math.abs(H-a);d=Math.min(d,360-d);if(d<bd){bd=d;best=a;}}return best;} // A color reads as neutral below this chroma. Lightness-scaled (the Munsell // insight): the mid-tones need more chroma to read as a hue, so a faint warm gray -// at mid lightness is neutral while an equally-faint pale tint at high lightness -// keeps its hue. Highest near mid lightness, tapering toward the light end. -function neutralThreshold(L){const HI=0.6,LO=0.85,CMAX=0.04,CMIN=0.015;if(L<=HI)return CMAX;if(L>=LO)return CMIN;return CMAX-(L-HI)/(LO-HI)*(CMAX-CMIN);} +// at mid lightness is neutral while an equally-faint tint near either extreme keeps +// its hue. A tent peaking near mid lightness and tapering toward both ends. +function neutralThreshold(L){const PK=0.6,MAX=0.035,d=L<PK?(PK-L)/PK:(L-PK)/(1-PK);return MAX*(1-Math.min(1,d));} // A family from its members: base is the most-saturated member (tie toward // mid-lightness), the anchor for a generated ramp. function makeFamily(ms,neutral){ |