Color

#51dbc2

#51dbc2
hex#51dbc2
rgbrgb(81, 219, 194)
hslhsl(169, 66%, 59%)
oklchoklch(0.81 0.124 178.7)
Closest name: turquoise (#40e0d0)Relative luminance 0.5631

Colors that go with #51dbc2

Charcoal, Crimson and Deep Sky Blue 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 →

#db516b

#51db7d · #51b0db

#c251db · #dbc251

Split-complementary

Open in tool →

#db51b0 · #db7d51

#7d51db · #db516b · #b0db51

Contrast

#51dbc2 as textRatioAAAA largeAAAFix
Aaon white
1.71:1failfailfail
  • AA: use #1b8370 as the text (4.64:1)
  • AAA: use #146153 as the text (7.33:1)
  • AA: or shift the background to #525252 (4.56:1)
  • AAA: or shift the background to #363636 (7.06:1)
Aaon black
12.26:1passpasspassPasses 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 #51dbc2 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 #51dbc2
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 #51dbc2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/51dbc2-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