Color

#12bfa5

#12bfa5
hex#12bfa5
rgbrgb(18, 191, 165)
hslhsl(171, 83%, 41%)
oklchoklch(0.721 0.13 178.1)
Closest name: Emerald Bliss (#4cbdac)Relative luminance 0.4011

Colors that go with #12bfa5

Charcoal, Hot Pink and 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 →

#bf122c

#12bf4f · #1283bf

#a512bf · #bfa512

Split-complementary

Open in tool →

#bf1283 · #bf4f12

#4f12bf · #bf122c · #83bf12

Contrast

#12bfa5 as textRatioAAAA largeAAAFix
Aaon white
2.33:1failfailfail
  • AA: use #0c8371 as the text (4.67:1)
  • AAA: use #096255 as the text (7.27:1)
  • AA: or shift the background to #3d3d3d (4.67:1)
  • AAA: or shift the background to #1f1f1f (7.08:1)
Aaon black
9.02:1passpasspassPasses 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 #12bfa5 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 #12bfa5
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 #12bfa5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12bfa5-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