Color

#2b8991

#2b8991
hex#2b8991
rgbrgb(43, 137, 145)
hslhsl(185, 54%, 37%)
oklchoklch(0.58 0.086 203.3)
Closest name: darkcyan (#008b8b)Relative luminance 0.2045

Colors that go with #2b8991

Charcoal, Copper and Crimson 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#91342b

#2b9167 · #2b5691

#912b89 · #89912b

Split-complementary

Open in tool →

#912b56 · #91672b

#672b91 · #91342b · #56912b

Contrast

#2b8991 as textRatioAAAA largeAAAFix
Aaon white
4.13:1failpassfail
  • AA: use #298189 as the text (4.57:1)
  • AAA: use #1e6066 as the text (7.19:1)
  • AA: or shift the background to #121212 (4.54:1)
Aaon black
5.09:1passpassfail
  • AAA: use #35a6b1 as the text (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b8991 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

#2b8991 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b8991
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 #2b8991 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b8991-a2b8be-df4e88-1f262d-e9f1ee?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