Color

#12ab33

#12ab33
hex#12ab33
rgbrgb(18, 171, 51)
hslhsl(133, 81%, 37%)
oklchoklch(0.646 0.198 145.1)
Closest name: Fennel Fiasco (#00aa44)Relative luminance 0.2949

Colors that go with #12ab33

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 →

#ab128a

#3dab12 · #12ab7f

#3312ab · #ab3312

Split-complementary

Open in tool →

#7f12ab · #ab123d

#123dab · #ab128a · #ab7f12

Contrast

#12ab33 as textRatioAAAA largeAAAFix
Aaon white
3.04:1failpassfail
  • AA: use #0e8628 as the text (4.71:1)
  • AAA: use #0b661e as the text (7.16:1)
  • AA: or shift the background to #2b2b2b (4.65:1)
Aaon black
6.9:1passpassfail
  • AAA: use #12af34 as the text (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #12ab33 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 #12ab33
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 #12ab33 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12ab33-a2beab-b84edf-1f2d28-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