Color

#51dbce

#51dbce
hex#51dbce
rgbrgb(81, 219, 206)
hslhsl(174, 66%, 59%)
oklchoklch(0.814 0.12 186.3)
Closest name: turquoise (#40e0d0)Relative luminance 0.5687

Tints & shades

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

Harmonies

Complementary

Open in tool →

#db515f

#51db89 · #51a4db

#ce51db · #dbce51

Split-complementary

Open in tool →

#db51a4 · #db8951

#8951db · #db515f · #a4db51

Contrast

#51dbce as textRatioAAAA largeAAAFix
Aaon white
1.7:1failfailfail
  • AA: use #1b8379 as the text (4.6:1)
  • AAA: use #14615a as the text (7.27:1)
  • AA: or shift the background to #525252 (4.6:1)
  • AAA: or shift the background to #363636 (7.12:1)
Aaon black
12.37:1passpasspassPasses 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 #51dbce 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 #51dbce
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

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

analyze #51dbce and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/51dbce-a2bebe-d459a1-1f292d-e9f1ed?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