Color

#12a173

#12a173
hex#12a173
rgbrgb(18, 161, 115)
hslhsl(161, 80%, 35%)
oklchoklch(0.629 0.131 163.8)
Closest name: Bejewelled (#25a26f)Relative luminance 0.2686

Colors that go with #12a173

Charcoal, Crimson and Blue 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.

Real palettes that use #12a173

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#a1123f

#12a12c · #1286a1

#7312a1 · #a17312

Split-complementary

Open in tool →

#a11286 · #a12c12

#2c12a1 · #a1123f · #86a112

Contrast

#12a173 as textRatioAAAA largeAAAFix
Aaon white
3.3:1failpassfail
  • AA: use #0f8560 as the text (4.62:1)
  • AAA: use #0b6549 as the text (7.07:1)
  • AA: or shift the background to #262626 (4.59:1)
Aaon black
6.37:1passpassfail
  • AAA: use #13aa7a as the text (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #12a173 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

mcpConnect your agent — build around #12a173
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 #12a173 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12a173-a2beb8-d459bb-1f2c2d-e9f1eb?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