Hue
Hue is the color reflected from or transmitted through an object and is typically referred to as the name of the color (red, blue, yellow, etc.) Move the cursor vertically over each bar to alter its hue.
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const barWidth = 20;
let lastBar = -1;
function setup() {
createCanvas(720, 400);
colorMode(HSB, height, height, height);
noStroke();
background(0);
}
function draw() {
let whichBar = mouseX / barWidth;
if (whichBar !== lastBar) {
let barX = whichBar * barWidth;
fill(mouseY, height, height);
rect(barX, 0, barWidth, height);
lastBar = whichBar;
}
}
