Color

#51c035

#51c035
hex#51c035
rgbrgb(81, 192, 53)
hslhsl(108, 57%, 48%)
oklchoklch(0.716 0.202 140.1)
Closest name: Exit Light (#55bb33)Relative luminance 0.3971

Colors that go with #51c035

Blue, Charcoal and Royal Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a435c0

#96c035 · #35c05e

#3551c0 · #c03551

Split-complementary

Open in tool →

#5e35c0 · #c03596

#3596c0 · #a435c0 · #c05e35

Contrast

#51c035 as textRatioAAAA largeAAAFix
Aaon white
2.35:1failfailfail
  • AA: use #378424 as the text (4.68:1)
  • AAA: use #2a641b as the text (7.15:1)
  • AA: or shift the background to #3d3d3d (4.62:1)
  • AAA: or shift the background to #1f1f1f (7.02:1)
Aaon black
8.94:1passpasspassPasses 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 #51c035 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 #51c035
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

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

analyze #51c035 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/51c035-a4bea2-7c4edf-1f2d23-eff1e9?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