Color

#519453

#519453
hex#519453
rgbrgb(81, 148, 83)
hslhsl(122, 29%, 45%)
oklchoklch(0.605 0.118 144.6)
Closest name: Fern (#548d44)Relative luminance 0.2355

Colors that go with #519453

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 →

#945192

#719451 · #519475

#545194 · #945451

Split-complementary

Open in tool →

#755194 · #945171

#517194 · #945192 · #947551

Contrast

#519453 as textRatioAAAA largeAAAFix
Aaon white
3.68:1failpassfail
  • AA: use #478049 as the text (4.72:1)
  • AAA: use #366338 as the text (7:1)
  • AA: or shift the background to #1c1c1c (4.63:1)
Aaon black
5.71:1passpassfail
  • AAA: use #5ea660 as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #519453 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 #519453
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 #519453 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/519453-a2bea6-9e4edf-1f2d26-edf1e9?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