Color

#538618

#538618
hex#538618
rgbrgb(83, 134, 24)
hslhsl(88, 70%, 31%)
oklchoklch(0.563 0.146 132.2)
Closest name: Avocado (#568203)Relative luminance 0.1896

Colors that go with #538618

Charcoal, Royal 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 →

#4b1886

#868318 · #1b8618

#185386 · #861853

Split-complementary

Open in tool →

#181b86 · #831886

#188683 · #4b1886 · #86181b

Contrast

#538618 as textRatioAAAA largeAAAFix
Aaon white
4.38:1failpassfail
  • AA: use #508217 as the text (4.62:1)
  • AAA: use #3b5f11 as the text (7.42:1)
  • AA: or shift the background to #0a0a0a (4.52:1)
Aaon black
4.79:1passpassfail
  • AAA: use #68a91e as the text (7.28:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #538618 as the background.

Brands using this color

mcpConnect your agent — build around #538618
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 #538618 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/538618-aebea2-4e51df-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