EXT_color_buffer_float WebGL extensionBaseline · Widely available
The EXT_color_buffer_float extension for WebGL 2.0 contexts adds color-renderable floating point formats to renderbufferStorage().
Supported in all major browsers for at least 30 months — safe to use without fallbacks. Baseline since Sep 20, 2021. Widely available since Mar 20, 2024.
Browser support
DesktopChrome
1–55Not supported
56+Supportedsince Jan 25, 2017
Current: 155Edge
12–18Not supported
79+Supportedsince Jan 15, 2020
Current: 154Firefox
1–50Not supported
51+Supportedsince Jan 24, 2017
Current: 157Safari
1–14.1Not supported
15+Supportedsince Sep 20, 2021
Current: 27MobileChrome Android
18–55Not supported
56+Supportedsince Feb 1, 2017
Current: 155Firefox Android
4–50Not supported
51+Supportedsince Jan 24, 2017
Current: 157Safari iOS
1–14.5Not supported
15+Supportedsince Sep 20, 2021
Current: 27How to use
This feature is Baseline widely available — use it freely, no fallback needed.
Example
Full syntax and examples are on MDN: EXT color buffer float.
Feature detection
JS · check before using
if ("EXT_color_buffer_float" in globalThis) {
// EXT_color_buffer_float is available
} else {
// load a polyfill or use a fallback
}