Color

#12ca0c

#12ca0c
hex#12ca0c
rgbrgb(18, 202, 12)
hslhsl(118, 89%, 42%)
oklchoklch(0.728 0.244 142.4)
Closest name: Demeter Green (#02cc02)Relative luminance 0.424

Colors that go with #12ca0c

Taupe, Violet and Hot Pink 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 →

#c40cca

#71ca0c · #0cca65

#0c12ca · #ca0c12

Split-complementary

Open in tool →

#650cca · #ca0c71

#0c71ca · #c40cca · #ca650c

Contrast

#12ca0c as textRatioAAAA largeAAAFix
Aaon white
2.22:1failfailfail
  • AA: use #0c8708 as the text (4.68:1)
  • AAA: use #096506 as the text (7.3:1)
  • AA: or shift the background to #424242 (4.54:1)
  • AAA: or shift the background to #242424 (7.01:1)
Aaon black
9.48:1passpasspassPasses 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 #12ca0c 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 #12ca0c
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 #12ca0c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12ca0c-a2bea4-944edf-1f2d25-edf1e9?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