void blendColor(
num red,
num green,
num blue,
num alpha
)

Not documented.

Source

@DomName('WebGLRenderingContext.blendColor')
@DocsEditable()
void blendColor(num red, num green, num blue, num alpha) => _blink.BlinkWebGLRenderingContext.instance.blendColor_Callback_4_(unwrap_jso(this), red, green, blue, alpha);