Color

#37931b

#37931b
hex#37931b
rgbrgb(55, 147, 27)
hslhsl(106, 69%, 34%)
oklchoklch(0.586 0.174 139.8)
Closest name: Emerald (#028f1e)Relative luminance 0.2176

Colors that go with #37931b

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 →

#771b93

#73931b · #1b933b

#1b3793 · #931b37

Split-complementary

Open in tool →

#3b1b93 · #931b73

#1b7393 · #771b93 · #933b1b

Contrast

#37931b as textRatioAAAA largeAAAFix
Aaon white
3.92:1failpassfail
  • AA: use #328619 as the text (4.61:1)
  • AAA: use #256312 as the text (7.31:1)
  • AA: or shift the background to #171717 (4.57:1)
Aaon black
5.35:1passpassfail
  • AAA: use #40ac20 as the text (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #37931b 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 #37931b
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 #37931b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37931b-a5bea2-774edf-1f2d22-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