Color

#519201

#519201
hex#519201
rgbrgb(81, 146, 1)
hslhsl(87, 99%, 29%)
oklchoklch(0.593 0.169 133.7)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.2231

Colors that go with #519201

Crimson, Royal Blue and Charcoal 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 →

#430193

#938c01 · #089301

#015193 · #930151

Split-complementary

Open in tool →

#010893 · #8c0193

#01938c · #430193 · #930108

Contrast

#519201 as textRatioAAAA largeAAAFix
Aaon white
3.84:1failpassfail
  • AA: use #498401 as the text (4.58:1)
  • AAA: use #356000 as the text (7.43:1)
  • AA: or shift the background to #1a1a1a (4.53:1)
Aaon black
5.46:1passpassfail
  • AAA: use #5fad01 as the text (7.46:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #519201 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#519201 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #519201
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 #519201 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/519201-aebea2-4e53df-212d1f-f1f1e9?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