Color

#537d40

#537d40
hex#537d40
rgbrgb(83, 125, 64)
hslhsl(101, 32%, 37%)
oklchoklch(0.543 0.101 136.6)
Closest name: Mana Tree (#4f7942)Relative luminance 0.1688

Colors that go with #537d40

Charcoal, Dark Orchid and Champagne 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 →

#69407d

#717d40 · #407d4b

#40537d · #7d4053

Split-complementary

Open in tool →

#4b407d · #7d4071

#40717d · #69407d · #7d4b40

Contrast

#537d40 as textRatioAAAA largeAAAFix
Aaon white
4.8:1passpassfail
  • AAA: use #3f5e31 as the text (7.35:1)
Aaon black
4.38:1failpassfail
  • AA: use #568042 as the text (4.56:1)
  • AAA: use #6ea555 as the text (7.18:1)
  • AA: or shift the background to #fafafa (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #537d40 as the background.

Brands using this color

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

Palettes built around it

mcpConnect your agent — build around #537d40
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 #537d40 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/537d40-a7bea2-6b4edf-1f2d21-eff1e9?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