Color

#12ce3e

#12ce3e
hex#12ce3e
rgbrgb(18, 206, 62)
hslhsl(134, 84%, 44%)
oklchoklch(0.741 0.229 145.1)
Closest name: Lime Green (#32cd32)Relative luminance 0.4462

Colors that go with #12ce3e

Royal 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 →

#ce12a2

#44ce12 · #12ce9c

#3e12ce · #ce3e12

Split-complementary

Open in tool →

#9c12ce · #ce1244

#1244ce · #ce12a2 · #ce9c12

Contrast

#12ce3e as textRatioAAAA largeAAAFix
Aaon white
2.12:1failfailfail
  • AA: use #0c8829 as the text (4.6:1)
  • AAA: use #09671f as the text (7.07:1)
  • AA: or shift the background to #454545 (4.53:1)
  • AAA: or shift the background to #262626 (7.15:1)
Aaon black
9.92:1passpasspassPasses 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 #12ce3e 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 #12ce3e
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 #12ce3e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12ce3e-a2beac-b559d4-1f2d29-ebf1e9?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