brandsweets

Color

#51f0bb

#51f0bb
hex#51f0bb
rgbrgb(81, 240, 187)
hslhsl(160, 84%, 63%)
oklchoklch(0.859 0.153 166.8)
Closest name: Jittery Jade (#77eebb)Relative luminance 0.6766
Vivid
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
51f0bbf05186

#f05186

Analogous

Open in tool →
51f0bb51f06c51d5f0

#51f06c · #51d5f0

Triadic

Open in tool →
51f0bbbb51f0f0bb51

#bb51f0 · #f0bb51

Split-complementary

Open in tool →
51f0bbf051d5f06c51

#f051d5 · #f06c51

Tetradic

Open in tool →
51f0bb6c51f0f05186d5f051

#6c51f0 · #f05186 · #d5f051

Contrast

#51f0bb as textRatioAAAA largeAAAFix
Aaon white
1.45:1failfailfail
  • AA: use #0b835b as the text (4.76:1)
  • AAA: use #096345 as the text (7.29:1)
  • AA: or shift the background to #5c5c5c (4.63:1)
  • AAA: or shift the background to #404040 (7.17:1)
Aaon black
14.53:1passpasspassPasses 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 #51f0bb as the background.

Brands using this color

mcpConnect your agent — build around #51f0bb
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 #51f0bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/51f0bb-a2beb8-d459be-1f2c2d-e9f1eb?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