RAL Classic Signal blue / RAL 5005
ΔE*₀₀ = 0.70
?CIE color difference.
Smaller is closer:
~0–1 (imperceptible),
1–2 (just noticeable),
2–5 (small difference),
5–10 (clear),
more than 10 (very different).
h: 203, s: 100, v: 53
LRV: 10.27%
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Sherwin Williams Blueblood / SW 6966
ΔE*₀₀ = 0.77
?CIE color difference.
Smaller is closer:
~0–1 (imperceptible),
1–2 (just noticeable),
2–5 (small difference),
5–10 (clear),
more than 10 (very different).
h: 204, s: 99, v: 53
LRV: 7.16%
more blue
less saturated
lighter
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NCS S 4050-R90B
ΔE*₀₀ = 0.78
?CIE color difference.
Smaller is closer:
~0–1 (imperceptible),
1–2 (just noticeable),
2–5 (small difference),
5–10 (clear),
more than 10 (very different).
h: 204, s: 100, v: 53
more blue
same saturation
lighter
Open color review

RAL Effect RAL 640-5
ΔE*₀₀ = 1.13
?CIE color difference.
Smaller is closer:
~0–1 (imperceptible),
1–2 (just noticeable),
2–5 (small difference),
5–10 (clear),
more than 10 (very different).
h: 203, s: 100, v: 54
LRV: 5.86%
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RAL Effect RAL 640-6
ΔE*₀₀ = 1.19
?CIE color difference.
Smaller is closer:
~0–1 (imperceptible),
1–2 (just noticeable),
2–5 (small difference),
5–10 (clear),
more than 10 (very different).
h: 202, s: 100, v: 49
LRV: 5.31%
more purple
same saturation
darker
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RAL Classic Gentian blue / RAL 5010
ΔE*₀₀ = 1.39
?CIE color difference.
Smaller is closer:
~0–1 (imperceptible),
1–2 (just noticeable),
2–5 (small difference),
5–10 (clear),
more than 10 (very different).
h: 202, s: 100, v: 49
LRV: 9.31%
more purple
same saturation
darker
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Benjamin Moore California Blue / 2060-20
ΔE*₀₀ = 1.44
?CIE color difference.
Smaller is closer:
~0–1 (imperceptible),
1–2 (just noticeable),
2–5 (small difference),
5–10 (clear),
more than 10 (very different).
h: 201, s: 100, v: 51
LRV: 9.76%
more purple
same saturation
darker
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RAL Effect RAL 640-M
ΔE*₀₀ = 1.65
?CIE color difference.
Smaller is closer:
~0–1 (imperceptible),
1–2 (just noticeable),
2–5 (small difference),
5–10 (clear),
more than 10 (very different).
h: 205, s: 100, v: 53
LRV: 5.38%
more blue
same saturation
lighter
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NCS S 4055-B
ΔE*₀₀ = 1.94
?CIE color difference.
Smaller is closer:
~0–1 (imperceptible),
1–2 (just noticeable),
2–5 (small difference),
5–10 (clear),
more than 10 (very different).
h: 201, s: 99, v: 51
more purple
less saturated
darker
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Little Greene Mazarine / 256
ΔE*₀₀ = 2.25
?CIE color difference.
Smaller is closer:
~0–1 (imperceptible),
1–2 (just noticeable),
2–5 (small difference),
5–10 (clear),
more than 10 (very different).
h: 208, s: 73, v: 50
more blue
less saturated
darker
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Dulux Pen Friend / 62BB 08/369
ΔE*₀₀ = 2.61
?CIE color difference.
Smaller is closer:
~0–1 (imperceptible),
1–2 (just noticeable),
2–5 (small difference),
5–10 (clear),
more than 10 (very different).
h: 205, s: 98, v: 50
more blue
less saturated
darker
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Dulux Atlantic Surf 1 / 30BB 08/263
ΔE*₀₀ = 2.69
?CIE color difference.
Smaller is closer:
~0–1 (imperceptible),
1–2 (just noticeable),
2–5 (small difference),
5–10 (clear),
more than 10 (very different).
h: 200, s: 100, v: 46
more purple
same saturation
darker
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Benjamin Moore Mistral / CC-842
ΔE*₀₀ = 2.71
?CIE color difference.
Smaller is closer:
~0–1 (imperceptible),
1–2 (just noticeable),
2–5 (small difference),
5–10 (clear),
more than 10 (very different).
h: 202, s: 87, v: 49
LRV: 10.28%
more purple
less saturated
darker
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Sherwin Williams Dignity Blue / SW 6804
ΔE*₀₀ = 2.84
?CIE color difference.
Smaller is closer:
~0–1 (imperceptible),
1–2 (just noticeable),
2–5 (small difference),
5–10 (clear),
more than 10 (very different).
h: 202, s: 92, v: 45
LRV: 6.39%
more purple
less saturated
darker
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Dulux Sapphire Springs 2 / 50BB 11/321
ΔE*₀₀ = 3.02
?CIE color difference.
Smaller is closer:
~0–1 (imperceptible),
1–2 (just noticeable),
2–5 (small difference),
5–10 (clear),
more than 10 (very different).
h: 208, s: 79, v: 55
more blue
less saturated
lighter
Open color review
