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const { parse_hex, format_hex, lrgb_from_any, rgb_from_any, oklab_from_any } = require("../../common/colors.js")
const white = "#ffffff"
const black = "#000000"
function lerp(a, b, n) {
return a + (b - a) * n
}
function blend(a, b, n) {
a = lrgb_from_any(parse_hex(a))
b = lrgb_from_any(parse_hex(b))
return format_hex({
mode: "lrgb",
r: lerp(a.r, b.r, n),
g: lerp(a.g, b.g, n),
b: lerp(a.b, b.b, n)
})
}
function multiply_luminance(hex, m) {
let oklab = oklab_from_any(parse_hex(hex))
oklab.l = Math.max(0, Math.min(1, oklab.l * m))
return format_hex(oklab)
}
function add_luminance(hex, m) {
let oklab = oklab_from_any(parse_hex(hex))
oklab.l = Math.max(0, Math.min(1, oklab.l + m))
return format_hex(oklab)
}
function make_3d_colors(base) {
return [
base,
multiply_luminance(base, 0.9),
multiply_luminance(base, 0.8),
multiply_luminance(base, 0.7),
multiply_luminance(base, 0.4)
]
}
function make_2d_colors(base) {
return [
base,
multiply_luminance(base, 1.2),
multiply_luminance(base, 0.8),
multiply_luminance(base, 0.4)
]
}
function make_2d_colors_add(base) {
return [
base,
add_luminance(base, 0.2),
add_luminance(base, -0.2),
add_luminance(base, -0.5),
]
}
function print(x) {
console.log(x)
}
function gencss(color, sel) {
let [ bg, hi, lo, sh ] = make_2d_colors(color)
print(`${sel} { border-color: ${hi} ${lo} ${lo} ${hi}; box-shadow: 0 0 0 1px ${sh}, 1px 2px 4px #0008; }`)
}
gencss("#efebea", ".amphitheater, .basilica, .limes")
gencss("#ed1b2f", ".red")
gencss("#a0caec", ".blue")
gencss("#ffe175", ".yellow")
gencss("#80b563", ".green")
gencss("#c3bc8e", ".alamanni")
gencss("#9cb4be", ".franks")
gencss("#3a9cd6", ".goths")
gencss("#f99d1c", ".nomads")
gencss("#8e5ca6", ".sassanids")
gencss("#b8b996", ".rival")
gencss("#e3dedc", ".neutral")
gencss("#f0f0f0", ".militia")
gencss("#f0f0f0", ".legion")
gencss("#6e6e6e", ".no_place_governor")
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