Color

#51946b

#51946b
hex#51946b
rgbrgb(81, 148, 107)
hslhsl(143, 29%, 45%)
oklchoklch(0.61 0.093 155.5)
Closest name: Illuminati Green (#419168)Relative luminance 0.2399

Colors that go with #51946b

Charcoal, Blue and Copper 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 →

#94517b

#599451 · #51948c

#6b5194 · #946b51

Split-complementary

Open in tool →

#8c5194 · #945159

#515994 · #94517b · #948c51

Contrast

#51946b as textRatioAAAA largeAAAFix
Aaon white
3.62:1failpassfail
  • AA: use #47805d as the text (4.65:1)
  • AAA: use #355f45 as the text (7.31:1)
  • AA: or shift the background to #1f1f1f (4.55:1)
Aaon black
5.8:1passpassfail
  • AAA: use #5ba477 as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #51946b 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 #51946b
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 #51946b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/51946b-a2beb0-c859d4-1f2d2b-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