Color

#12ba77

#12ba77
hex#12ba77
rgbrgb(18, 186, 119)
hslhsl(156, 82%, 40%)
oklchoklch(0.696 0.159 158.4)
Closest name: Fennel Fiesta (#00bb77)Relative luminance 0.3658

Colors that go with #12ba77

Charcoal, Blue and Cornflower 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ba1255

#12ba23 · #12a9ba

#7712ba · #ba7712

Split-complementary

Open in tool →

#ba12a9 · #ba2312

#2312ba · #ba1255 · #a9ba12

Contrast

#12ba77 as textRatioAAAA largeAAAFix
Aaon white
2.53:1failfailfail
  • AA: use #0d8756 as the text (4.55:1)
  • AAA: use #0a6641 as the text (7.02:1)
  • AA: or shift the background to #383838 (4.64:1)
  • AAA: or shift the background to #171717 (7.1:1)
Aaon black
8.32:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #12ba77 as the background.

Brands using this color

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

Palettes built around it

mcpConnect your agent — build around #12ba77
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 #12ba77 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12ba77-a2beb6-d459c6-1f2d2d-e9f1ea?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