Color

#12e2a7

#12e2a7
hex#12e2a7
rgbrgb(18, 226, 167)
hslhsl(163, 85%, 48%)
oklchoklch(0.81 0.167 165.6)
Closest name: Aquamarine (#2ee8bb)Relative luminance 0.5731

Colors that go with #12e2a7

Mustard Yellow, Taupe and Hot Pink lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e2124d

#12e23f · #12b5e2

#a712e2 · #e2a712

Split-complementary

Open in tool →

#e212b5 · #e23f12

#3f12e2 · #e2124d · #b5e212

Contrast

#12e2a7 as textRatioAAAA largeAAAFix
Aaon white
1.69:1failfailfail
  • AA: use #0b8462 as the text (4.68:1)
  • AAA: use #086349 as the text (7.26:1)
  • AA: or shift the background to #525252 (4.64:1)
  • AAA: or shift the background to #363636 (7.17:1)
Aaon black
12.46:1passpasspassPasses 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 #12e2a7 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 #12e2a7
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

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

analyze #12e2a7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12e2a7-a2beb9-d459b7-1f2b2d-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