Color

#517f01

#517f01
hex#517f01
rgbrgb(81, 127, 1)
hslhsl(82, 98%, 25%)
oklchoklch(0.542 0.146 130.4)
Closest name: Avocado (#568203)Relative luminance 0.1693

Colors that go with #517f01

Charcoal, Denim and Crimson 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 →

#2f017e

#7e6e01 · #127e01

#01507e · #7e0150

Split-complementary

Open in tool →

#01127e · #6e017e

#017e6e · #2f017e · #7e0112

Contrast

#517f01 as textRatioAAAA largeAAAFix
Aaon white
4.79:1passpassfail
  • AAA: use #3d6001 as the text (7.31:1)
Aaon black
4.39:1failpassfail
  • AA: use #548301 as the text (4.62:1)
  • AAA: use #6aa702 as the text (7.14:1)
  • AA: or shift the background to #fafafa (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #517f01 as the background.

Brands using this color

Fonts for this mood

#517f01 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #517f01
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 #517f01 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/517f01-b0bea2-4e5fdf-222d1f-f1f0e9?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