Run results for: rgb vs rgba (1 & 0.5) vs hex canvas

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 131

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

no alpha

436K/s

apha 0.5

434K/s

hex

432K/s

alpha 1

430K/s

View exact numbers

Test name	Executions per second
✓ no alpha	435,834 Ops/sec
apha 0.5	433,718 Ops/sec
hex	432,010 Ops/sec
alpha 1	430,193 Ops/sec

HTML Preparation code:

<canvas id="canvasOne" width="400" height="400"></canvas>
<canvas id="canvasTwo" width="400" height="400"></canvas>
<canvas id="canvasThr" width="400" height="400"></canvas>
<canvas id="canvasFour" width="400" height="400"></canvas>

Script Preparation code:

var canvasOne = document.getElementById("canvasOne");
var ctxOne = canvasOne.getContext("2d");

var canvasTwo = document.getElementById("canvasTwo");
var ctxTwo = canvasTwo.getContext("2d");

var canvasThr = document.getElementById("canvasThr");
var ctxThr = canvasThr.getContext("2d");

var canvasFour = document.getElementById("canvasThr");
var ctxFour = canvasFour.getContext("2d");

Tests:

alpha 1
ctxOne.clearRect(0, 0, 400, 400); ctxOne.beginPath(); ctxOne.fillStyle = 'rgba(231, 76, 60, 1)'; ctxOne.arc(200, 200, 100, 0, Math.PI * 2, true); ctxOne.fill();
no alpha
ctxTwo.clearRect(0, 0, 400, 400); ctxTwo.beginPath(); ctxTwo.fillStyle = 'rgb(249, 206, 201)'; ctxTwo.arc(200, 200, 100, 0, Math.PI * 2, true); ctxTwo.fill();
hex
ctxThr.clearRect(0, 0, 400, 400); ctxThr.beginPath(); ctxThr.fillStyle = '#f9cec9'; ctxThr.arc(200, 200, 100, 0, Math.PI * 2, true); ctxThr.fill();
apha 0.5
ctxOne.clearRect(0, 0, 400, 400); ctxOne.beginPath(); ctxOne.fillStyle = 'rgba(231, 76, 60, 0.5)'; ctxOne.arc(200, 200, 100, 0, Math.PI * 2, true); ctxOne.fill();