Color

#12c433

#12c433
hex#12c433
rgbrgb(18, 196, 51)
hslhsl(131, 83%, 42%)
oklchoklch(0.714 0.224 144.4)
Closest name: Crude Banana (#21c40e)Relative luminance 0.3985

Colors that go with #12c433

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 →

#c412a3

#4bc412 · #12c48c

#3312c4 · #c43312

Split-complementary

Open in tool →

#8c12c4 · #c4124b

#124bc4 · #c412a3 · #c48c12

Contrast

#12c433 as textRatioAAAA largeAAAFix
Aaon white
2.34:1failfailfail
  • AA: use #0d8723 as the text (4.66:1)
  • AAA: use #0a671b as the text (7.07:1)
  • AA: or shift the background to #3d3d3d (4.64:1)
  • AAA: or shift the background to #1f1f1f (7.04:1)
Aaon black
8.97:1passpasspassPasses 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 #12c433 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 #12c433
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 #12c433 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12c433-a2beaa-b34edf-1f2d28-ecf1e9?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