Color

#12a12e

#12a12e
hex#12a12e
rgbrgb(18, 161, 46)
hslhsl(132, 80%, 35%)
oklchoklch(0.618 0.19 144.9)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.2582

Colors that go with #12a12e

Charcoal, Blue and Crimson 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 →

#a11284

#3da112 · #12a176

#2e12a1 · #a12e12

Split-complementary

Open in tool →

#7612a1 · #a1123d

#123da1 · #a11284 · #a17612

Contrast

#12a12e as textRatioAAAA largeAAAFix
Aaon white
3.41:1failpassfail
  • AA: use #0f8526 as the text (4.77:1)
  • AAA: use #0b651d as the text (7.26:1)
  • AA: or shift the background to #242424 (4.56:1)
Aaon black
6.16:1passpassfail
  • AAA: use #13ae32 as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #12a12e 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 #12a12e
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 #12a12e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12a12e-a2beab-b64edf-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