brandsweets

Color

#51cd87

#51cd87
hex#51cd87
rgbrgb(81, 205, 135)
hslhsl(146, 55%, 56%)
oklchoklch(0.761 0.15 155.4)
Closest name: Envy’s Love (#2dd78d)Relative luminance 0.4716
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
51cd87cd5197

#cd5197

Analogous

Open in tool →
51cd8759cd5151cdc4

#59cd51 · #51cdc4

Triadic

Open in tool →
51cd878751cdcd8751

#8751cd · #cd8751

Split-complementary

Open in tool →
51cd87c451cdcd5159

#c451cd · #cd5159

Tetradic

Open in tool →
51cd875159cdcd5197cdc451

#5159cd · #cd5197 · #cdc451

Contrast

#51cd87 as textRatioAAAA largeAAAFix
Aaon white
2.01:1failfailfail
  • AA: use #278650 as the text (4.55:1)
  • AAA: use #1d633b as the text (7.24:1)
  • AA: or shift the background to #474747 (4.62:1)
  • AAA: or shift the background to #2b2b2b (7.03:1)
Aaon black
10.43:1passpasspassPasses 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 #51cd87 as the background.

Brands using this color

mcpConnect your agent — build around #51cd87
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 #51cd87 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/51cd87-a2beb1-ce59d4-1f2d2b-eaf1e9?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