diff --git a/test/colordiff.jl b/test/colordiff.jl
index 4775aee..32ac61e 100644
--- a/test/colordiff.jl
+++ b/test/colordiff.jl
@@ -33,8 +33,8 @@ using Colors, Test
         ((50.0000,   2.5000,   0.0000), (50.0000,   3.2972,   0.0000),  1.0000),
         ((50.0000,   2.5000,   0.0000), (50.0000,   1.8634,   0.5757),  1.0000),
         ((50.0000,   2.5000,   0.0000), (50.0000,   3.2592,   0.3350),  1.0000),
-        ((60.2574, -34.0099,  36.2577), (60.4626, -34.1751,  39.4387),  1.2644),
-        ((63.0109, -31.0961,  -5.8663), (62.8187, -29.7946,  -4.0864),  1.2530),
+        ((60.2574, -34.0099,  36.2677), (60.4626, -34.1751,  39.4387),  1.2644),
+        ((63.0109, -31.0961,  -5.8663), (62.8187, -29.7946,  -4.0864),  1.2630),
         ((61.2901,   3.7196,  -5.3901), (61.4292,   2.2480,  -4.9620),  1.8731),
         ((35.0831, -44.1164,   3.7933), (35.0232, -40.0716,   1.5901),  1.8645),
         ((22.7233,  20.0904, -46.6940), (23.0331,  14.9730, -42.5619),  2.0373),
@@ -45,13 +45,14 @@ using Colors, Test
         ((2.0776,    0.0795,  -1.1350), ( 0.9033,  -0.0636,  -0.5514),  0.9082)]
 
 
-    eps_cdiff = 0.01
+    eps_cdiff = 0.00005
 
     @testset "CIEDE2000" begin
         metric = DE_2000()
         for (a, b, dexpect) in abds
-            @test abs(dexpect - colordiff(Lab(a...), Lab(b...); metric=metric)) < eps_cdiff
-            @test abs(dexpect - colordiff(Lab(b...), Lab(a...); metric=metric)) < eps_cdiff
+            a64, b64 = Lab(a...), Lab(b...)
+            @test colordiff(a64, b64; metric=metric) ≈ dexpect atol=eps_cdiff
+            @test colordiff(b64, a64; metric=metric) ≈ dexpect atol=eps_cdiff
         end
     end