Color

#51c002

#51c002
hex#51c002
rgbrgb(81, 192, 2)
hslhsl(95, 98%, 38%)
oklchoklch(0.714 0.219 137.8)
Closest name: Frog (#58bc08)Relative luminance 0.3945

Colors that go with #51c002

Charcoal, Royal Blue and Taupe 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 →

#7102c0

#b0c002 · #02c012

#0251c0 · #c00251

Split-complementary

Open in tool →

#1202c0 · #c002b0

#02b0c0 · #7102c0 · #c01202

Contrast

#51c002 as textRatioAAAA largeAAAFix
Aaon white
2.36:1failfailfail
  • AA: use #378301 as the text (4.76:1)
  • AAA: use #2b6501 as the text (7.08:1)
  • AA: or shift the background to #3d3d3d (4.6:1)
  • AAA: or shift the background to #1c1c1c (7.21:1)
Aaon black
8.89:1passpasspassPasses 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 #51c002 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 #51c002
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 #51c002 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/51c002-aabea2-5d4edf-1f2d20-f0f1e9?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