Color

#538e10

#538e10
hex#538e10
rgbrgb(83, 142, 16)
hslhsl(88, 80%, 31%)
oklchoklch(0.584 0.159 133.1)
Closest name: Asparagus Sultan (#6a8e22)Relative luminance 0.2122

Colors that go with #538e10

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 →

#4b108e

#8e8a10 · #148e10

#10538e · #8e1053

Split-complementary

Open in tool →

#10148e · #8a108e

#108e8a · #4b108e · #8e1014

Contrast

#538e10 as textRatioAAAA largeAAAFix
Aaon white
4:1failpassfail
  • AA: use #4b810e as the text (4.72:1)
  • AAA: use #38600b as the text (7.38:1)
  • AA: or shift the background to #141414 (4.6:1)
Aaon black
5.24:1passpassfail
  • AAA: use #63aa13 as the text (7.29:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #538e10 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 #538e10
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 #538e10 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/538e10-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