Copen Blue

With an LRV of about 59, Copen Blue reflects a little over half the light that reaches it, so it stays light in a north-facing room without looking stark. Sherwin-Williams does not publish an LRV for it, so this one is calculated from the color.

Copen Blue in other brands

• Tumbled Glass Dulux UK 1539841 Light Gray Very close ΔE 1.0
• AIRPLANT Nippon Paint NP PRO 0487 Light Gray Very close ΔE 1.0
• Silver Benjamin Moore 2139-50 Light Gray Very close ΔE 1.2
• Garden Flower Valspar 5004-3B Light Gray Very close ΔE 1.4
• Pumice Resene Light Gray Very close ΔE 1.4
• Mint 15 Caparol 3D Mint 15 Light Gray Very close ΔE 1.4

Lighter and darker in Sherwin-Williams

• Aesthetic White Sherwin-Williams 7035 Light Gray
• Chaise Mauve Sherwin-Williams 6016 Light Gray

How it looks with color blindness

• Deuteranopia Reads as light gray
• Protanopia Reads as light gray
• Tritanopia Reads as light gray
• Achromatopsia Reads as light gray

Under different light

• Warm bulb, 2700 K Turns yellow
• Neutral, 4000 K Turns green
• Daylight, 6500 K As listed

Questions

Is Copen Blue warm or cool?

Cool. Its LAB b value of 2.8 and a value of -4.9 lean toward blue or green, so it reads cooler next to a pure gray.

What is the closest Dulux UK color to Copen Blue?

Tumbled Glass (1539841), at ΔE 1.0. Under ΔE 2 the two are hard to tell apart on a wall.

What is the LRV of Copen Blue?

≈ 59. Sherwin-Williams does not publish an LRV for it, so this one is calculated from the color.