Color

#12ca71

#12ca71
hex#12ca71
rgbrgb(18, 202, 113)
hslhsl(151, 84%, 43%)
oklchoklch(0.737 0.184 153.8)
Closest name: Emerald Green (#50c878)Relative luminance 0.4356

Colors that go with #12ca71

Charcoal, Royal Blue and Taupe 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 →

#ca126b

#12ca15 · #12c7ca

#7112ca · #ca7112

Split-complementary

Open in tool →

#ca12c7 · #ca1512

#1512ca · #ca126b · #c7ca12

Contrast

#12ca71 as textRatioAAAA largeAAAFix
Aaon white
2.16:1failfailfail
  • AA: use #0c884c as the text (4.52:1)
  • AAA: use #096337 as the text (7.36:1)
  • AA: or shift the background to #424242 (4.65:1)
  • AAA: or shift the background to #242424 (7.18:1)
Aaon black
9.71:1passpasspassPasses 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 #12ca71 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 #12ca71
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 #12ca71 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12ca71-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