Color

#12ceac

#12ceac
hex#12ceac
rgbrgb(18, 206, 172)
hslhsl(169, 84%, 44%)
oklchoklch(0.761 0.142 174.9)
Closest name: mediumaquamarine (#66cdaa)Relative luminance 0.4725

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ce1235

#12ce4e · #1293ce

#ac12ce · #ceac12

Split-complementary

Open in tool →

#ce1293 · #ce4e12

#4e12ce · #ce1235 · #93ce12

Contrast

#12ceac as textRatioAAAA largeAAAFix
Aaon white
2.01:1failfailfail
  • AA: use #0b836d as the text (4.69:1)
  • AAA: use #096352 as the text (7.2:1)
  • AA: or shift the background to #474747 (4.62:1)
  • AAA: or shift the background to #2b2b2b (7.05:1)
Aaon black
10.45:1passpasspassPasses 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 #12ceac 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 #12ceac
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 #12ceac and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12ceac-a2bebc-d459ab-1f2a2d-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