RAL 9004 Signal Black

With an LRV of about 2, RAL 9004 Signal Black 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. RAL does not publish an LRV for it, so this one is calculated from the color. RAL is a physical standard. #2B2B2C is a screen approximation of RAL 9004; sources list slightly different HEX values, so check a RAL card before ordering paint.

RAL 9004 Signal Black in other brands

• Hempel 17940 Hempel Dark Gray Very close ΔE 0.0
• Silent Sea Hallman Lindsay 515 Dark Gray Very close ΔE 0.7
• Rich Black Dulux UK 1915141 Dark Gray Very close ΔE 0.9
• Lamp Black Little Greene Dark Gray Very close ΔE 1.0
• Blackwood Bay Dulux Australia NZ10H2 Dark Gray Very close ΔE 1.2
• Black Cat Kelly-Moore KM4883-5 Dark Gray Very close ΔE 1.2

How it looks with color blindness

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

Under different light

• Warm bulb, 2700 K Close to listed
• Neutral, 4000 K Close to listed
• Daylight, 6500 K As listed

Nearby RAL whites and blacks

Questions

What is the HEX code of RAL 9004?

#2B2B2C on screen, RGB 43, 43, 44. RAL is a physical standard, so check a RAL card before ordering paint.

Is RAL 9004 Signal Black warm or cool?

Close to neutral. Its LAB a value of 0.2 and b value of -0.7 sit near zero, so it shifts with the light and the colors around it.

What is the closest Hempel color to RAL 9004 Signal Black?

Hempel 17940 (17940), at ΔE 0.0. Under ΔE 2 the two are hard to tell apart on a wall.

What is the LRV of RAL 9004 Signal Black?

≈ 2. RAL does not publish an LRV for it, so this one is calculated from the color.