Rockweed

With an LRV of about 4, Rockweed absorbs most of the light that reaches it. It makes a wall recede and a room feel smaller, and it needs good light to show its color. Sherwin-Williams does not publish an LRV for it, so this one is calculated from the color.

Rockweed in other brands

• Zin Cluster Kelly-Moore KMA70-5 Dark Gray Very close ΔE 1.2
• Leather Case Dulux Australia S03A9 Dark Gray Very close ΔE 1.8
• IKEA197 IKEA Dark Red Very close ΔE 2.0
• Espadrille Dulux UK 3052656 Dark Red Close ΔE 2.1
• Córdoba Little Greene Dark Gray Close ΔE 2.4
• Film Noir Hallman Lindsay 144 Dark Gray Close ΔE 2.4

Lighter and darker in Sherwin-Williams

• Carnelian Sherwin-Williams 7580 Dark Red
• Polished Mahogany Sherwin-Williams 2838 Dark Red

How it looks with color blindness

• Deuteranopia Reads as dark gray
• Protanopia Reads as dark gray
• Tritanopia Reads as dark red
• Achromatopsia Reads as dark gray

Under different light

• Warm bulb, 2700 K Turns dark brown
• Neutral, 4000 K Turns dark red
• Daylight, 6500 K As listed

Questions

Is Rockweed warm or cool?

Close to neutral. Its LAB a value of 5.4 and b value of 3.4 sit near zero, so it shifts with the light and the colors around it.

What is the closest Kelly-Moore color to Rockweed?

Zin Cluster (KMA70-5), at ΔE 1.2. Under ΔE 2 the two are hard to tell apart on a wall.

What is the LRV of Rockweed?

≈ 4. Sherwin-Williams does not publish an LRV for it, so this one is calculated from the color.