Color

#31fcd3

#31fcd3
hex#31fcd3
rgbrgb(49, 252, 211)
hslhsl(168, 97%, 59%)
oklchoklch(0.888 0.161 174.5)
Closest name: aquamarine (#7fffd4)Relative luminance 0.7498

Colors that go with #31fcd3

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 →

#fc315a

#31fc6e · #31bffc

#d331fc · #fcd331

Split-complementary

Open in tool →

#fc31bf · #fc6e31

#6e31fc · #fc315a · #bffc31

Contrast

#31fcd3 as textRatioAAAA largeAAAFix
Aaon white
1.31:1failfailfail
  • AA: use #028369 as the text (4.72:1)
  • AAA: use #026451 as the text (7.13:1)
  • AA: or shift the background to #636363 (4.58:1)
  • AAA: or shift the background to #474747 (7.08:1)
Aaon black
16:1passpasspassPasses 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 #31fcd3 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 #31fcd3
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 #31fcd3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/31fcd3-a2bebc-d459ad-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