Color

#12e2c3

#12e2c3
hex#12e2c3
rgbrgb(18, 226, 195)
hslhsl(171, 85%, 48%)
oklchoklch(0.817 0.149 177.9)
Closest name: Ice Climber (#25e2cd)Relative luminance 0.5846

Colors that go with #12e2c3

Charcoal, 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 →

#e21232

#12e25b · #129ae2

#c312e2 · #e2c312

Split-complementary

Open in tool →

#e2129a · #e25b12

#5b12e2 · #e21232 · #9ae212

Contrast

#12e2c3 as textRatioAAAA largeAAAFix
Aaon white
1.65:1failfailfail
  • AA: use #0b8472 as the text (4.61:1)
  • AAA: use #086355 as the text (7.18:1)
  • AA: or shift the background to #545454 (4.58:1)
  • AAA: or shift the background to #383838 (7.09:1)
Aaon black
12.69:1passpasspassPasses 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 #12e2c3 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 #12e2c3
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 #12e2c3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12e2c3-a2bebd-d459a7-1f292d-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