Color

#12fdd2

#12fdd2
hex#12fdd2
rgbrgb(18, 253, 210)
hslhsl(169, 98%, 53%)
oklchoklch(0.888 0.167 174.2)
Closest name: aquamarine (#7fffd4)Relative luminance 0.7503

Colors that go with #12fdd2

Taupe, Hot Pink and Charcoal 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 →

#fd123d

#12fd5c · #12b2fd

#d212fd · #fdd212

Split-complementary

Open in tool →

#fd12b2 · #fd5c12

#5c12fd · #fd123d · #b2fd12

Contrast

#12fdd2 as textRatioAAAA largeAAAFix
Aaon white
1.31:1failfailfail
  • AA: use #01836b as the text (4.71:1)
  • AAA: use #016553 as the text (7.03:1)
  • AA: or shift the background to #636363 (4.58:1)
  • AAA: or shift the background to #474747 (7.08:1)
Aaon black
16.01:1passpasspassPasses 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 #12fdd2 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 #12fdd2
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 #12fdd2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12fdd2-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