Color

#0b2d2a

#0b2d2a
hex#0b2d2a
rgbrgb(11, 45, 42)
hslhsl(175, 61%, 11%)
oklchoklch(0.272 0.039 187)
Closest name: Black Box (#0f282f)Relative luminance 0.0212

Colors that go with #0b2d2a

Charcoal, Crimson and Rust lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Real palettes that use #0b2d2a

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#2d0b0e

#0b2d19 · #0b1f2d

#2a0b2d · #2d2a0b

Split-complementary

Open in tool →

#2d0b1f · #2d190b

#190b2d · #2d0b0e · #1f2d0b

Contrast

#0b2d2a as textRatioAAAA largeAAAFix
Aaon white
14.76:1passpasspassPasses AAA — no fix needed.
Aaon black
1.42:1failfailfail
  • AA: use #20837b as the text (4.59:1)
  • AAA: use #29a89e as the text (7.19:1)
  • AA: or shift the background to #8f8f8f (4.56:1)
  • AAA: or shift the background to #b3b3b3 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0b2d2a as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#0b2d2a reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0b2d2a
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #0b2d2a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0b2d2a-a2bdbe-d4599f-1f282d-e9f1ed?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md