Color

#12c41e

#12c41e
hex#12c41e
rgbrgb(18, 196, 30)
hslhsl(124, 83%, 42%)
oklchoklch(0.713 0.234 143)
Closest name: Crude Banana (#21c40e)Relative luminance 0.397

Colors that go with #12c41e

Blue, 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 →

#c412b8

#5fc412 · #12c477

#1e12c4 · #c41e12

Split-complementary

Open in tool →

#7712c4 · #c4125f

#125fc4 · #c412b8 · #c47712

Contrast

#12c41e as textRatioAAAA largeAAAFix
Aaon white
2.35:1failfailfail
  • AA: use #0d8715 as the text (4.67:1)
  • AAA: use #0a6710 as the text (7.09:1)
  • AA: or shift the background to #3d3d3d (4.62:1)
  • AAA: or shift the background to #1f1f1f (7.02:1)
Aaon black
8.94:1passpasspassPasses 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 #12c41e 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 #12c41e
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 #12c41e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12c41e-a2bea7-a24edf-1f2d26-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