Run results for: rgb vs rgba canvas

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3321.0 Safari/537.36

Browser: Chrome 65

Operating system: Mac OS X 10.10.1

Device Platform: Other

Date tested: 6 years ago

Test name	Executions per second
alpha	99893.9 Ops/sec
no alpha	97616.1 Ops/sec

HTML Preparation code:

<canvas id="canvasOne" width="400" height="400"></canvas>
<canvas id="canvasTwo" 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");

Tests:

alpha
ctxOne.beginPath(); ctxOne.fillStyle = 'rgba(231, 76, 60, 0.1)'; ctxOne.arc(20, 20, 12, 0, Math.PI * 2, true); ctxOne.fill();
no alpha
ctxTwo.beginPath(); ctxTwo.fillStyle = 'rgb(249, 206, 201)'; ctxTwo.arc(20, 20, 12, 0, Math.PI * 2, true); ctxTwo.fill();

Run results for: rgb vs rgba canvas

alpha

no alpha