Color

#37981f

#37981f
hex#37981f
rgbrgb(55, 152, 31)
hslhsl(108, 66%, 36%)
oklchoklch(0.599 0.178 140.3)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.2337

Colors that go with #37981f

Charcoal, Crimson and Royal 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 →

#801f98

#74981f · #1f9844

#1f3798 · #981f37

Split-complementary

Open in tool →

#441f98 · #981f74

#1f7498 · #801f98 · #98441f

Contrast

#37981f as textRatioAAAA largeAAAFix
Aaon white
3.7:1failpassfail
  • AA: use #31871c as the text (4.55:1)
  • AAA: use #256615 as the text (7.02:1)
  • AA: or shift the background to #1c1c1c (4.6:1)
Aaon black
5.67:1passpassfail
  • AAA: use #3fae24 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 #37981f 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 #37981f
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 #37981f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37981f-a4bea2-7c4edf-1f2d23-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