Color

#12af34

#12af34
hex#12af34
rgbrgb(18, 175, 52)
hslhsl(133, 81%, 38%)
oklchoklch(0.657 0.201 145.1)
Closest name: Hedged Garden (#00aa11)Relative luminance 0.3104

Colors that go with #12af34

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 →

#af128d

#3faf12 · #12af83

#3412af · #af3412

Split-complementary

Open in tool →

#8312af · #af123f

#123faf · #af128d · #af8312

Contrast

#12af34 as textRatioAAAA largeAAAFix
Aaon white
2.91:1failfailfail
  • AA: use #0e8628 as the text (4.71:1)
  • AAA: use #0b661e as the text (7.16:1)
  • AA: or shift the background to #303030 (4.53:1)
  • AAA: or shift the background to #030303 (7.08:1)
Aaon black
7.21:1passpasspassPasses 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 #12af34 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 #12af34
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 #12af34 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12af34-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