Color

#12f36f

#12f36f
hex#12f36f
rgbrgb(18, 243, 111)
hslhsl(145, 90%, 51%)
oklchoklch(0.843 0.234 149.3)
Closest name: Emerald Ice Palace (#2af589)Relative luminance 0.6538

Colors that go with #12f36f

Deep Sky Blue, Violet and Charcoal 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 →

#f31295

#24f312 · #12f3e0

#6f12f3 · #f36f12

Split-complementary

Open in tool →

#e012f3 · #f31224

#1224f3 · #f31295 · #f3e012

Contrast

#12f36f as textRatioAAAA largeAAAFix
Aaon white
1.49:1failfailfail
  • AA: use #07883d as the text (4.57:1)
  • AAA: use #05662e as the text (7.13:1)
  • AA: or shift the background to #595959 (4.7:1)
  • AAA: or shift the background to #3d3d3d (7.28:1)
Aaon black
14.08:1passpasspassPasses 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 #12f36f as the background.

Brands using this color

mcpConnect your agent — build around #12f36f
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 #12f36f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12f36f-a2beb1-cc59d4-1f2d2b-eaf1e9?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