Color

#12e2bc

#12e2bc
hex#12e2bc
rgbrgb(18, 226, 188)
hslhsl(169, 85%, 48%)
oklchoklch(0.815 0.153 174.5)
Closest name: Aquamarine (#2ee8bb)Relative luminance 0.5815

Colors that go with #12e2bc

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 →

#e21239

#12e254 · #12a1e2

#bc12e2 · #e2bc12

Split-complementary

Open in tool →

#e212a1 · #e25412

#5412e2 · #e21239 · #a1e212

Contrast

#12e2bc as textRatioAAAA largeAAAFix
Aaon white
1.66:1failfailfail
  • AA: use #0b846e as the text (4.63:1)
  • AAA: use #086352 as the text (7.2:1)
  • AA: or shift the background to #545454 (4.55:1)
  • AAA: or shift the background to #383838 (7.05:1)
Aaon black
12.63:1passpasspassPasses 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 #12e2bc 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 #12e2bc
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 #12e2bc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12e2bc-a2bebc-d459ab-1f2a2d-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