Color

#12ed83

#12ed83
hex#12ed83
rgbrgb(18, 237, 131)
hslhsl(151, 86%, 50%)
oklchoklch(0.831 0.21 153.3)
Closest name: Emerald Ice Palace (#2af589)Relative luminance 0.6234

Colors that go with #12ed83

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 →

#ed127c

#12ed16 · #12e9ed

#8312ed · #ed8312

Split-complementary

Open in tool →

#ed12e9 · #ed1612

#1612ed · #ed127c · #e9ed12

Contrast

#12ed83 as textRatioAAAA largeAAAFix
Aaon white
1.56:1failfailfail
  • AA: use #0a8549 as the text (4.7:1)
  • AAA: use #076437 as the text (7.27:1)
  • AA: or shift the background to #575757 (4.63:1)
  • AAA: or shift the background to #3b3b3b (7.18:1)
Aaon black
13.47:1passpasspassPasses 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 #12ed83 as the background.

Brands using this color

mcpConnect your agent — build around #12ed83
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 #12ed83 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12ed83-a2beb4-d459d0-1f2d2c-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