Color

#51daec

#51daec
hex#51daec
rgbrgb(81, 218, 236)
hslhsl(187, 80%, 62%)
oklchoklch(0.822 0.119 207.5)
Closest name: Hammam Blue (#65dcd6)Relative luminance 0.5795

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ec6351

#51ecb0 · #518cec

#ec51da · #daec51

Split-complementary

Open in tool →

#ec518c · #ecb051

#b051ec · #ec6351 · #8cec51

Contrast

#51daec as textRatioAAAA largeAAAFix
Aaon white
1.67:1failfailfail
  • AA: use #10808e as the text (4.67:1)
  • AAA: use #0c5f6a as the text (7.34:1)
  • AA: or shift the background to #545454 (4.54:1)
  • AAA: or shift the background to #383838 (7.03:1)
Aaon black
12.59:1passpasspassPasses 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 #51daec as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#51daec reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #51daec
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 #51daec and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/51daec-a2b8be-df4e83-1f262d-e9f1ee?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