Color

#237b6e

#237b6e
hex#237b6e
rgbrgb(35, 123, 110)
hslhsl(171, 56%, 31%)
oklchoklch(0.528 0.084 181)
Closest name: Emperor Jade (#007b75)Relative luminance 0.1565

Colors that go with #237b6e

Charcoal, Medium Violet Red and Cobalt Blue 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 #237b6e

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7b2330

#237b42 · #235c7b

#6e237b · #7b6e23

Split-complementary

Open in tool →

#7b235c · #7b4223

#42237b · #7b2330 · #5c7b23

Contrast

#237b6e as textRatioAAAA largeAAAFix
Aaon white
5.08:1passpassfail
  • AAA: use #1c6359 as the text (7.05:1)
Aaon black
4.13:1failpassfail
  • AA: use #258375 as the text (4.58:1)
  • AAA: use #2fa795 as the text (7.08:1)
  • AA: or shift the background to #f2f2f2 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #237b6e as the background.

Brands using this color

Palettes built around it

mcpConnect your agent — build around #237b6e
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 #237b6e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/237b6e-a2bebd-d459a7-1f292d-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