Color

#2b786e

#2b786e
hex#2b786e
rgbrgb(43, 120, 110)
hslhsl(172, 47%, 32%)
oklchoklch(0.523 0.076 183.3)
Closest name: Green Sleeves (#39766c)Relative luminance 0.1507

Colors that go with #2b786e

Charcoal, Medium Violet Red and Champagne 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 #2b786e

Tints & shades

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

Harmonies

Complementary

Open in tool →

#782b35

#2b7847 · #2b5c78

#6e2b78 · #786e2b

Split-complementary

Open in tool →

#782b5c · #78472b

#472b78 · #782b35 · #5c782b

Contrast

#2b786e as textRatioAAAA largeAAAFix
Aaon white
5.23:1passpassfail
  • AAA: use #236159 as the text (7.18:1)
Aaon black
4.01:1failpassfail
  • AA: use #2f8378 as the text (4.64:1)
  • AAA: use #3ba597 as the text (7.01:1)
  • AA: or shift the background to #f0f0f0 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b786e as the background.

Brands using this color

Palettes built around it

mcpConnect your agent — build around #2b786e
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 #2b786e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b786e-a2bebe-d459a5-1f292d-e9f1ec?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