Clamp BlendHCL output - #46

lucasb-eyer · Jan 27, 2021 · d49a4a4 · d49a4a4
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -15,6 +15,7 @@ but only releases after v1.0.3 properly adhere to it.
 ### Fixed
 - RGB to/from XYZ conversion is more accurate
 - A bug in `XYZToLuvWhiteRef` that only applied to very small values was fixed
+- `BlendHCL` output is clamped so that it's not invalid (#46)
 
 
 ## [1.0.3] - 2019-11-11

diff --git a/colors.go b/colors.go
@@ -905,7 +905,7 @@ func (col1 Color) BlendHcl(col2 Color, t float64) Color {
 	h2, c2, l2 := col2.Hcl()
 
 	// We know that h are both in [0..360]
-	return Hcl(interp_angle(h1, h2, t), c1+t*(c2-c1), l1+t*(l2-l1))
+	return Hcl(interp_angle(h1, h2, t), c1+t*(c2-c1), l1+t*(l2-l1)).Clamped()
 }
 
 // LuvLch