Color

#12edd4

#12edd4
hex#12edd4
rgbrgb(18, 237, 212)
hslhsl(173, 86%, 50%)
oklchoklch(0.849 0.151 181.5)
Closest name: Frozen Boubble (#00eedd)Relative luminance 0.6545

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ed122b

#12ed66 · #1299ed

#d412ed · #edd412

Split-complementary

Open in tool →

#ed1299 · #ed6612

#6612ed · #ed122b · #99ed12

Contrast

#12edd4 as textRatioAAAA largeAAAFix
Aaon white
1.49:1failfailfail
  • AA: use #0a8576 as the text (4.54:1)
  • AAA: use #076459 as the text (7.06:1)
  • AA: or shift the background to #595959 (4.7:1)
  • AAA: or shift the background to #3d3d3d (7.29:1)
Aaon black
14.09:1passpasspassPasses 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 #12edd4 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 #12edd4
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 #12edd4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12edd4-a2bebe-d459a3-1f292d-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