diff --git a/KomaMRIPlots/Project.toml b/KomaMRIPlots/Project.toml
index eddc20610..ed535c75e 100644
--- a/KomaMRIPlots/Project.toml
+++ b/KomaMRIPlots/Project.toml
@@ -9,6 +9,7 @@ Kaleido_jll = "f7e6163d-2fa5-5f23-b69c-1db539e41963"
 KomaMRIBase = "d0bc0b20-b151-4d03-b2a4-6ca51751cb9c"
 MAT = "23992714-dd62-5051-b70f-ba57cb901cac"
 PlotlyJS = "f0f68f2c-4968-5e81-91da-67840de0976a"
+QMRIColors = "2bec176e-9e8c-4764-a62f-295118d1ec05"
 Reexport = "189a3867-3050-52da-a836-e630ba90ab69"
 
 [weakdeps]
@@ -24,6 +25,7 @@ KomaMRIBase = "0.9"
 MAT = "0.10"
 PlotlyJS = "0.18"
 PlutoPlotly = "0.4, 0.5"
+QMRIColors = "1"
 Reexport = "1"
 julia = "1.9"
 
diff --git a/KomaMRIPlots/src/KomaMRIPlots.jl b/KomaMRIPlots/src/KomaMRIPlots.jl
index ad46a4c24..5d8190f93 100644
--- a/KomaMRIPlots/src/KomaMRIPlots.jl
+++ b/KomaMRIPlots/src/KomaMRIPlots.jl
@@ -2,6 +2,7 @@ module KomaMRIPlots
 
 using KomaMRIBase
 using MAT, Interpolations, PlotlyJS
+using QMRIColors
 
 include("ui/PlotBackends.jl")
 include("ui/DisplayFunctions.jl")
diff --git a/KomaMRIPlots/src/ui/DisplayFunctions.jl b/KomaMRIPlots/src/ui/DisplayFunctions.jl
index 5fce63a37..7ed1e63c4 100644
--- a/KomaMRIPlots/src/ui/DisplayFunctions.jl
+++ b/KomaMRIPlots/src/ui/DisplayFunctions.jl
@@ -980,7 +980,7 @@ function plot_kspace(seq::Sequence; width=nothing, height=nothing, darkmode=fals
             "resetCameraLastSave3d",
             "orbitRotation",
             "resetCameraDefault3d",
-        ],
+    ],
     )
     return plot_koma(p, l; config)
 end
@@ -1080,38 +1080,20 @@ function plot_phantom_map(
         unit = " ms"
         if key == :T1
             cmax_key = 2500 / factor
-            colors = MAT.matread(path * "/assets/T1cm.mat")["T1colormap"][1:70:end, :]
-            N, _ = size(colors)
-            idx = range(0, 1; length=N) #range(0,T,N) works in Julia 1.7
-            colormap = [
-                (
-                    idx[n],
-                    string("rgb(", 
-                        floor(Int, colors[n,1] * 255), ",",
-                        floor(Int, colors[n,2] * 255), ",",
-                        floor(Int, colors[n,3] * 255), ")"
-                        )
-                ) 
-                for n in 1:N
-            ]
+            colors =
+                replace.(string.(relaxationColorMap("T1") .* 255), "RGB{Float64}" => "rgb")
+            N = length(colors)
+            indices = range(0.0; stop=1.0, length=N)
+            colormap = [(idx, color) for (idx, color) in zip(indices, colors)]
         elseif key == :T2 || key == :T2s
             if key == :T2
                 cmax_key = 250 / factor
             end
-            colors = MAT.matread(path * "/assets/T2cm.mat")["T2colormap"][1:70:end, :]
-            N, _ = size(colors)
-            idx = range(0, 1; length=N) #range(0,T,N) works in Julia 1.7
-            colormap = [
-                (
-                    idx[n],
-                    string("rgb(", 
-                        floor(Int, colors[n,1] * 255), ",",
-                        floor(Int, colors[n,2] * 255), ",",
-                        floor(Int, colors[n,3] * 255), ")"
-                        )
-                ) 
-                for n in 1:N
-            ]
+            colors =
+                replace.(string.(relaxationColorMap("T2") .* 255), "RGB{Float64}" => "rgb")
+            N = length(colors)
+            indices = range(0.0; stop=1.0, length=N)
+            colormap = [(idx, color) for (idx, color) in zip(indices, colors)]
         end
     elseif key == :x || key == :y || key == :z
         factor = 1e2