Color

#12dec9

#12dec9
hex#12dec9
rgbrgb(18, 222, 201)
hslhsl(174, 85%, 47%)
oklchoklch(0.809 0.143 182.8)
Closest name: Ice Climber (#25e2cd)Relative luminance 0.5659

Colors that go with #12dec9

Charcoal, Crimson and Deep Sky 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 →

#de1226

#12de63 · #128cde

#c912de · #dec912

Split-complementary

Open in tool →

#de128c · #de6312

#6312de · #de1226 · #8cde12

Contrast

#12dec9 as textRatioAAAA largeAAAFix
Aaon white
1.7:1failfailfail
  • AA: use #0b8478 as the text (4.58:1)
  • AAA: use #08635a as the text (7.14:1)
  • AA: or shift the background to #525252 (4.58:1)
  • AAA: or shift the background to #363636 (7.09:1)
Aaon black
12.32:1passpasspassPasses 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 #12dec9 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 #12dec9
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 #12dec9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12dec9-a2bebe-d459a1-1f292d-e9f1ed?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