Color

#12e2ab

#12e2ab
hex#12e2ab
rgbrgb(18, 226, 171)
hslhsl(164, 85%, 48%)
oklchoklch(0.811 0.164 167.1)
Closest name: Aquamarine (#2ee8bb)Relative luminance 0.5746

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e2124a

#12e243 · #12b2e2

#ab12e2 · #e2ab12

Split-complementary

Open in tool →

#e212b2 · #e24312

#4312e2 · #e2124a · #b2e212

Contrast

#12e2ab as textRatioAAAA largeAAAFix
Aaon white
1.68:1failfailfail
  • AA: use #0b8464 as the text (4.67:1)
  • AAA: use #08634b as the text (7.25:1)
  • AA: or shift the background to #545454 (4.5:1)
  • AAA: or shift the background to #363636 (7.19:1)
Aaon black
12.49:1passpasspassPasses 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 #12e2ab 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 #12e2ab
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 #12e2ab and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12e2ab-a2beba-d459b5-1f2b2d-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