Color

#12a561

#12a561
hex#12a561
rgbrgb(18, 165, 97)
hslhsl(152, 80%, 36%)
oklchoklch(0.636 0.152 155.4)
Closest name: Jade (#00a86b)Relative luminance 0.279

Colors that go with #12a561

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 →

#a51257

#12a517 · #12a0a5

#6112a5 · #a56112

Split-complementary

Open in tool →

#a512a0 · #a51712

#1712a5 · #a51257 · #a0a512

Contrast

#12a561 as textRatioAAAA largeAAAFix
Aaon white
3.19:1failpassfail
  • AA: use #0f854e as the text (4.68:1)
  • AAA: use #0b653b as the text (7.15:1)
  • AA: or shift the background to #292929 (4.56:1)
Aaon black
6.58:1passpassfail
  • AAA: use #13ae66 as the text (7.27:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #12a561 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 #12a561
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 #12a561 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12a561-a2beb4-d459ce-1f2d2d-e9f1ea?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