Color

#12ed87

#12ed87
hex#12ed87
rgbrgb(18, 237, 135)
hslhsl(152, 86%, 50%)
oklchoklch(0.831 0.207 154.2)
Closest name: Emerald Ice Palace (#2af589)Relative luminance 0.6245

Colors that go with #12ed87

Deep Sky Blue, Taupe and Violet 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 →

#ed1278

#12ed19 · #12e6ed

#8712ed · #ed8712

Split-complementary

Open in tool →

#ed12e6 · #ed1912

#1912ed · #ed1278 · #e6ed12

Contrast

#12ed87 as textRatioAAAA largeAAAFix
Aaon white
1.56:1failfailfail
  • AA: use #0a854b as the text (4.7:1)
  • AAA: use #076439 as the text (7.26:1)
  • AA: or shift the background to #575757 (4.64:1)
  • AAA: or shift the background to #3b3b3b (7.2:1)
Aaon black
13.49:1passpasspassPasses 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 #12ed87 as the background.

Brands using this color

mcpConnect your agent — build around #12ed87
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 #12ed87 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12ed87-a2beb4-d459ce-1f2d2d-e9f1ea?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