Color

#12cebc

#12cebc
hex#12cebc
rgbrgb(18, 206, 188)
hslhsl(174, 84%, 44%)
oklchoklch(0.766 0.134 183.7)
Closest name: Cockatoo (#58c8b6)Relative luminance 0.479

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ce1225

#12ce5d · #1283ce

#bc12ce · #cebc12

Split-complementary

Open in tool →

#ce1283 · #ce5d12

#5d12ce · #ce1225 · #83ce12

Contrast

#12cebc as textRatioAAAA largeAAAFix
Aaon white
1.98:1failfailfail
  • AA: use #0b8377 as the text (4.64:1)
  • AAA: use #09635a as the text (7.13:1)
  • AA: or shift the background to #474747 (4.68:1)
  • AAA: or shift the background to #2b2b2b (7.13:1)
Aaon black
10.58:1passpasspassPasses 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 #12cebc 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 #12cebc
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 #12cebc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12cebc-a2bebe-d459a1-1f292d-e9f1ed?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