Color

#538f0f

#538f0f
hex#538f0f
rgbrgb(83, 143, 15)
hslhsl(88, 81%, 31%)
oklchoklch(0.586 0.161 133.2)
Closest name: Asparagus Sultan (#6a8e22)Relative luminance 0.2152

Colors that go with #538f0f

Crimson, Royal Blue and Blue 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 →

#4b0f8f

#8f8b0f · #138f0f

#0f538f · #8f0f53

Split-complementary

Open in tool →

#0f138f · #8b0f8f

#0f8f8b · #4b0f8f · #8f0f13

Contrast

#538f0f as textRatioAAAA largeAAAFix
Aaon white
3.96:1failpassfail
  • AA: use #4b810e as the text (4.72:1)
  • AAA: use #38610a as the text (7.29:1)
  • AA: or shift the background to #171717 (4.53:1)
Aaon black
5.3:1passpassfail
  • AAA: use #63ab12 as the text (7.36:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #538f0f 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 #538f0f
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 #538f0f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/538f0f-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