Color

#51f682

#51f682
hex#51f682
rgbrgb(81, 246, 130)
hslhsl(138, 90%, 64%)
oklchoklch(0.862 0.208 149.4)
Closest name: Emerald Ice Palace (#2af589)Relative luminance 0.6927

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f651c4

#72f651 · #51f6d5

#8251f6 · #f68251

Split-complementary

Open in tool →

#d551f6 · #f65172

#5172f6 · #f651c4 · #f6d551

Contrast

#51f682 as textRatioAAAA largeAAAFix
Aaon white
1.41:1failfailfail
  • AA: use #07882e as the text (4.6:1)
  • AAA: use #056622 as the text (7.17:1)
  • AA: or shift the background to #5e5e5e (4.59:1)
  • AAA: or shift the background to #424242 (7.11:1)
Aaon black
14.85:1passpasspassPasses 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 #51f682 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 #51f682
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 #51f682 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/51f682-a2beae-be59d4-1f2d29-ebf1e9?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