Color

#12c4ac

#12c4ac
hex#12c4ac
rgbrgb(18, 196, 172)
hslhsl(172, 83%, 42%)
oklchoklch(0.736 0.132 179.6)
Closest name: Emerald Bliss (#4cbdac)Relative luminance 0.4259

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c4122a

#12c453 · #1283c4

#ac12c4 · #c4ac12

Split-complementary

Open in tool →

#c41283 · #c45312

#5312c4 · #c4122a · #83c412

Contrast

#12c4ac as textRatioAAAA largeAAAFix
Aaon white
2.21:1failfailfail
  • AA: use #0c8373 as the text (4.66:1)
  • AAA: use #096256 as the text (7.26:1)
  • AA: or shift the background to #424242 (4.55:1)
  • AAA: or shift the background to #242424 (7.04:1)
Aaon black
9.52:1passpasspassPasses 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 #12c4ac 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 #12c4ac
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #12c4ac and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12c4ac-a2bebe-d459a5-1f292d-e9f1ec?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