Color

#12bf91

#12bf91
hex#12bf91
rgbrgb(18, 191, 145)
hslhsl(164, 83%, 41%)
oklchoklch(0.716 0.143 167.5)
Closest name: Bleached Olive (#55bb88)Relative luminance 0.3943

Colors that go with #12bf91

Charcoal, Hot Pink and Mustard Yellow 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 #12bf91

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bf1240

#12bf3a · #1297bf

#9112bf · #bf9112

Split-complementary

Open in tool →

#bf1297 · #bf3a12

#3a12bf · #bf1240 · #97bf12

Contrast

#12bf91 as textRatioAAAA largeAAAFix
Aaon white
2.36:1failfailfail
  • AA: use #0c8363 as the text (4.73:1)
  • AAA: use #09624a as the text (7.35:1)
  • AA: or shift the background to #3d3d3d (4.6:1)
  • AAA: or shift the background to #1c1c1c (7.21:1)
Aaon black
8.89:1passpasspassPasses 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 #12bf91 as the background.

Brands using this color

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

mcpConnect your agent — build around #12bf91
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 #12bf91 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12bf91-a2beba-d459b5-1f2b2d-e9f1eb?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