Color

#12ceb2

#12ceb2
hex#12ceb2
rgbrgb(18, 206, 178)
hslhsl(171, 84%, 44%)
oklchoklch(0.763 0.138 178)
Closest name: Cockatoo (#58c8b6)Relative luminance 0.4749

Colors that go with #12ceb2

Charcoal, Hot Pink and Royal 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 →

#ce122e

#12ce54 · #128cce

#b212ce · #ceb212

Split-complementary

Open in tool →

#ce128c · #ce5412

#5412ce · #ce122e · #8cce12

Contrast

#12ceb2 as textRatioAAAA largeAAAFix
Aaon white
2:1failfailfail
  • AA: use #0b8371 as the text (4.67:1)
  • AAA: use #096355 as the text (7.17:1)
  • AA: or shift the background to #474747 (4.64:1)
  • AAA: or shift the background to #2b2b2b (7.08:1)
Aaon black
10.5:1passpasspassPasses 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 #12ceb2 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 #12ceb2
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 #12ceb2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12ceb2-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