Benjamin Moore Black Iron

Benjamin Moore Black Iron 2120-20 paint color review

Let’s dive into a full Black Iron paint color review. Take a look at pictures of real interiors and exteriors painted with beautiful 2120-20. Find out if this gorgeous cold grey paint color would look great on your living room walls or trims, kitchen cabinet, bedroom accent wall, bathroom or house exterior.

Official color page:Black Iron 2120-20
Color code:2120-20
Color name:Black Iron
Brand:Benjamin Moore

LRV of Black Iron

Black Iron 2120-20 has an LRV of 6.12% and refers to Dark colors which means that this color almost does not reflect light

Color paint LRV values

Light Reflectance Value measures the amount of visible and usable light that reflects from a painted surface.
Simply put, the higher LRV of paint color, the brighter room you will get.
Scale goes from 0% (absolute black, absorbing all light) to 100% (pure white, reflecting 100% of all light).

Act like a pro: Choosing paint with LRV of 6.12% be attentive to your bulbs light Brightness.Light Brightness – measured in lumens. The lower LRV of paint you have, the higher lumen level you need. Every square feet of room needs at least 40 lumens. That means for a 200 square feet living room you’ll need 8000 lumens of light. To achieve that brightness, you would require a total of 8 bulbs, 1000lm each.

What are Benjamin Moore Black Iron undertones?

Blue is Benjamin Moore Black Iron undertone color, as you can clearly see on the color field below. To determine this undertone we’ve removed all the tints, tones, shades and get HUE (pure color). Seems that undertone definition on a white sheet is already outdated and rather inaccurate


HEX value

HEX value:


RGB code:

58, 60, 62

Is Benjamin Moore Black Iron 2120-20 cool or warm?

warm colors
Color wheel
cool colors

With a hue of 210° this Grey refers cool paint shade according to HSL (Hue, Saturation, Lightness) on the color wheel.

2120-20 Black Iron HSL code: 210, 3%, 24%

Hue - degree on a color wheel from 0 to 360. 0 is red, 120 is green, and 240 is blue.
Saturation is a percentage value. 0% is a shade of grey, and 100% is the full color.
Lightness is also a percentage value. 0% is black, and 100% is white.

  • Cool Grey shades make a room feel sleek, fresh and modern
  • Cooler hues have a calm and relaxation effect
  • Cool Grey undertones make small spaces feel more open and expansive
  • Cool paint hue are ideal for bedroom or bathroom. Be careful with deep blues and greens in bathroom, which will reflect on your skin.

Act like a pro: Mixing warm and cool shades is a must have to get harmonius interior. Add accents that contrast with the primary color to create visual balance. If your walls are a warm color, don’t forget to add accent in cold colors (furniture, art, décor). A good practice is too use a complementary color scheme.

Coordinating colors.
Colors that go with Benjamin Moore Black Iron:

Monochromatic color scheme

Monochromatic color scheme

This scheme consists of different shades, tints, and tones of a single color. It's the perfect hue combination, but with no accent decor it's pretty boring.

Lighter shades

Darker shades

Complementary color scheme

Complementary color scheme

This color scheme is a combination of two colors that are opposite each other on the color wheel. The high contrast between these colors creates a vibrant and dynamic visual effect.

Color comparison

Black Iron 2120-20 vs Midnight 2131-20

What is the difference between these two paint colors. Let’s compare to see which might be right for you.

Benjamin Moore Black Iron 2120-20 vs Benjamin Moore Midnight 2131-20Benjamin Moore Black Iron 2120-20
LRV: 6.12%
Dark color
Temperature: cold
LRV: 6.2%
Dark color
Temperature: cold

Black Iron 2120-20 vs Soot 2129-20

Choosing between these two awesome hues? We'll break down the differences to help you find the perfect shade for your space.

Benjamin Moore Black Iron 2120-20 vs Benjamin Moore Soot 2129-20Benjamin Moore Black Iron 2120-20
LRV: 6.12%
Dark color
Temperature: cold
LRV: 6.19%
Dark color
Temperature: cold

Color codes

We have collected almost every possible color code you could ever need. To copy the code, just click the icon to the right of it.

HEX#3A3C3Ecopy color code
RGB Decimal58, 60, 62copy color code
RGB Percent22.75%, 23.53%, 24.31%copy color code
HSVHue: 210° Saturation: 6.45% Value: 24.31%copy color code
HSLhsl(210, 3, 24)copy color code
CMYKCyan: 6.45 Magenta: 3.23 Yellow: 0.0 Key: 75.69copy color code
YIQY: 59.63 I: -1.834 Q: 0.199copy color code
XYZX: 4.23 Y: 4.479 Z: 5.198copy color code
CIE LabL:25.196 a:-0.378 b:-1.525copy color code
CIE LuvL:25.196 u:-1.105 v:-1.649copy color code
Decimal3816510copy color code
Hunter lab21.164, -1.359, 0.253copy color code
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