hex to Unreal FLinearColor
FLinearColor is linear by definition, so pasting hex bytes divided by 255 into it produces a washed-out result. These values already have the transfer function removed.
FLinearColor(0.0545f, 0.2423f, 0.9131f, 1.0f)Paste a hex value — other formats work too.
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Worked examples
Common colours converted from hex to Unreal FLinearColor, computed with the same engine the picker uses.
| Colour | hex | Unreal FLinearColor | Copy |
|---|---|---|---|
| Pure red | #ff0000 | FLinearColor(1.0f, 0.0f, 0.0f, 1.0f) | |
| Pure green | #00ff00 | FLinearColor(0.0f, 1.0f, 0.0f, 1.0f) | |
| Pure blue | #0000ff | FLinearColor(0.0f, 0.0f, 1.0f, 1.0f) | |
| White | #ffffff | FLinearColor(1.0f, 1.0f, 1.0f, 1.0f) | |
| Mid grey | #808080 | FLinearColor(0.2159f, 0.2159f, 0.2159f, 1.0f) | |
| Black | #000000 | FLinearColor(0.0f, 0.0f, 0.0f, 1.0f) | |
| Interface blue | #4287f5 | FLinearColor(0.0545f, 0.2423f, 0.9131f, 1.0f) | |
| Success green | #22c55e | FLinearColor(0.016f, 0.5583f, 0.1119f, 1.0f) | |
| Danger red | #ef4444 | FLinearColor(0.8632f, 0.0578f, 0.0578f, 1.0f) | |
| Warning amber | #f59e0b | FLinearColor(0.9131f, 0.3419f, 0.0033f, 1.0f) | |
| Editor black | #1e1e1e | FLinearColor(0.013f, 0.013f, 0.013f, 1.0f) | |
| Warm sand | #e9c46a | FLinearColor(0.8148f, 0.552f, 0.1441f, 1.0f) |
How the conversion works
FLinearColor is linear by definition, so pasting hex bytes divided by 255 into it produces a washed-out result. These values already have the transfer function removed.
Both formats are computed from a single canonical representation — CIE XYZ with a D65 white point, held in floating point — rather than by chaining one format into the next. That matters because chained conversions accumulate rounding error, and because it means a colour that cannot be represented in the target format is handled deliberately rather than by accident.
When the source describes a colour outside the target's gamut, chroma is reduced in OKLCh while lightness and hue are held, following the CSS Color 4 gamut mapping algorithm. Clipping each channel independently would be simpler but visibly shifts hue on saturated colours.