Color

#37a01c

#37a01c
hex#37a01c
rgbrgb(55, 160, 28)
hslhsl(108, 70%, 37%)
oklchoklch(0.621 0.189 140.4)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.2604

Colors that go with #37a01c

Charcoal, Crimson 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 →

#861ca0

#79a01c · #1ca044

#1c37a0 · #a01c37

Split-complementary

Open in tool →

#441ca0 · #a01c79

#1c79a0 · #861ca0 · #a0441c

Contrast

#37a01c as textRatioAAAA largeAAAFix
Aaon white
3.38:1failpassfail
  • AA: use #2e8618 as the text (4.63:1)
  • AAA: use #226412 as the text (7.24:1)
  • AA: or shift the background to #242424 (4.59:1)
Aaon black
6.21:1passpassfail
  • AAA: use #3bad1f as the text (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #37a01c 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 #37a01c
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 #37a01c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37a01c-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