diff --git a/Libraries/LibGfx/Color.cpp b/Libraries/LibGfx/Color.cpp
index 69ce28204b4..5a84edd3e2a 100644
--- a/Libraries/LibGfx/Color.cpp
+++ b/Libraries/LibGfx/Color.cpp
@@ -505,22 +505,22 @@ Color Color::from_rec2020(float r, float g, float b, float alpha)
 
 Color Color::from_xyz50(float x, float y, float z, float alpha)
 {
-    // See commit description for these values
-    float red = 3.13397926 * x - 1.61689519 * y - 0.49070587 * z;
-    float green = -0.97840009 * x + 1.91589112 * y + 0.03339256 * z;
-    float blue = 0.07200357 * x - 0.22897505 * y + 1.40517398 * z;
+    // See commit description for these values.
+    float r = +3.134136 * x - 1.617386 * y - 0.490662 * z;
+    float g = -0.978795 * x + 1.916254 * y + 0.033443 * z;
+    float b = +0.071955 * x - 0.228977 * y + 1.405386 * z;
 
-    return from_linear_srgb(red, green, blue, alpha);
+    return from_linear_srgb(r, g, b, alpha);
 }
 
 Color Color::from_xyz65(float x, float y, float z, float alpha)
 {
-    // https://en.wikipedia.org/wiki/SRGB#From_CIE_XYZ_to_sRGB
-    float red = 3.2406 * x - 1.5372 * y - 0.4986 * z;
-    float green = -0.9689 * x + 1.8758 * y + 0.0415 * z;
-    float blue = 0.0557 * x - 0.2040 * y + 1.0570 * z;
+    // See commit description for these values.
+    float r = +3.240970 * x - 1.537383 * y - 0.498611 * z;
+    float g = -0.969244 * x + 1.875968 * y + 0.041555 * z;
+    float b = +0.055630 * x - 0.203977 * y + 1.056972 * z;
 
-    return from_linear_srgb(red, green, blue, alpha);
+    return from_linear_srgb(r, g, b, alpha);
 }
 
 Color Color::from_lab(float L, float a, float b, float alpha)
diff --git a/Tests/LibGfx/TestColor.cpp b/Tests/LibGfx/TestColor.cpp
index e300d5beaa7..de30caeaa4e 100644
--- a/Tests/LibGfx/TestColor.cpp
+++ b/Tests/LibGfx/TestColor.cpp
@@ -14,3 +14,10 @@ TEST_CASE(color)
         EXPECT_EQ(gray, gray.to_grayscale());
     }
 }
+
+TEST_CASE(all_green)
+{
+    EXPECT_EQ(Color(Color::NamedColor::Green), Color::from_lab(87.8185, -79.2711, 80.9946));
+    EXPECT_EQ(Color(Color::NamedColor::Green), Color::from_xyz50(0.385152, 0.716887, 0.097081));
+    EXPECT_EQ(Color(Color::NamedColor::Green), Color::from_xyz65(0.357584, 0.715169, 0.119195));
+}
diff --git a/Tests/LibWeb/TestConfig.ini b/Tests/LibWeb/TestConfig.ini
index d91e4da6911..ea789db014b 100644
--- a/Tests/LibWeb/TestConfig.ini
+++ b/Tests/LibWeb/TestConfig.ini
@@ -59,7 +59,6 @@ Text/input/wpt-import/html/infrastructure/safe-passing-of-structured-data/resour
 Text/input/wpt-import/css/css-flexbox/flex-item-compressible-001.html
 
 ; WPT ref-tests that currently fail
-Ref/input/wpt-import/css/css-color/srgb-linear-004.html
 Ref/input/wpt-import/css/css-nesting/host-nesting-003.html
 Ref/input/wpt-import/css/css-nesting/host-nesting-004.html
 Ref/input/wpt-import/css/CSS2/floats/floats-wrap-top-below-bfc-002r.xht