Benjamin Moore Onyx 2133-10

Let’s dive into a full Onyx paint color review. Take a look at pictures of real interiors and exteriors painted with beautiful 2133-10. Find out if this gorgeous warm 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:Onyx 2133-10
Color code:2133-10
Color name:Onyx
Brand:Benjamin Moore

Onyx for bedroom

  • 2133-10 Bedroom
    Instagram @rumah_cantik_shabby
  • Bedroom
    Instagram @krystle_prime
  • Bm Onyx Bedroom
    Instagram @krystle_prime
  • Bm Onyx Bedroom
    Instagram @simplechoicesonig
  • Bm Onyx Bedroom
    Instagram @aspenwillowinteriors
  • Benjamin Moore Onyx Bedroom
    Instagram @aspenwillowinteriors

We’ve hand-picked a beautiful collection of photos of this amazing Beige shade used in real bedrooms. Take a look and imagine how this wonderful warm Dark paint color could transform your own bedroom space.

Onyx for living room

  • Living Room
    Instagram @rusticmapleelizabeth
  • Benjamin Moore Onyx Living Room
    Instagram @sarajaneshouse
  • Bm Onyx Living Room
    Instagram @aspenwillowinteriors
  • 2133-10 Living Room
    Instagram @francisjamesdecor
  • Dining Room
    Instagram @francisjamesdecor
  • Onyx Living Room
    Instagram @thepaintspotcos

Check out this stunning Dark used in real living rooms. Explore how this Grey color shade can create a unique space

Benjamin Moore 2133-10 for bathroom

  • 2133-10 Bathroom
    Instagram @mainelyhillary
  • Bm Onyx Bathroom
    Instagram @westtildenplace
  • Onyx Bathroom
    Instagram @westtildenplace
  • Onyx Bathroom
    Instagram @westtildenplace

Looking for inspiration for your dream bathroom renovation project? These beautiful handpicked photos will show you this delightfully warm Dark real bathrooms.

What are Benjamin Moore Onyx undertones?

Red is Benjamin Moore Onyx 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 Seems that undertone definition on a white sheet is already outdated and rather inaccurate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:

53, 52, 52

Is Benjamin Moore Onyx 2133-10 cool or warm?

warm colors
Color wheel
cool colors

With a hue of 0° this Grey refers warm paint shade according to HSL (Hue, Saturation, Lightness) on the color wheel.

2133-10 Onyx HSL code: 0, 1%, 21%

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.

  • Warm Grey will make even large rooms feel cozy and intimate
  • Warm Grey undertones tend to make you feel happy, energized and playful
  • Warm paint colors are ideal for kitchens, living rooms or bathrooms
  • Warmer hues make larger spaces feel more inviting

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 Onyx:

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

Benjamin Moore 2133-10 Onyx

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

Onyx 2133-10 vs Carbon Copy 2117-10

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

Benjamin Moore Onyx 2133-10 vs Benjamin Moore Carbon Copy 2117-10Open Onyx 2133-10
LRV: 4.99%
Dark color
Temperature: warm
LRV: 5.33%
Dark color
Temperature: warm