Color

#37bf0d

#37bf0d
hex#37bf0d
rgbrgb(55, 191, 13)
hslhsl(106, 87%, 40%)
oklchoklch(0.704 0.226 140.6)
Closest name: Crude Banana (#21c40e)Relative luminance 0.381

Colors that go with #37bf0d

Taupe, Orchid and Hot Pink 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 →

#950dbf

#8fbf0d · #0dbf3d

#0d37bf · #bf0d37

Split-complementary

Open in tool →

#3d0dbf · #bf0d8f

#0d8fbf · #950dbf · #bf3d0d

Contrast

#37bf0d as textRatioAAAA largeAAAFix
Aaon white
2.44:1failfailfail
  • AA: use #268609 as the text (4.67:1)
  • AAA: use #1d6407 as the text (7.3:1)
  • AA: or shift the background to #3b3b3b (4.6:1)
  • AAA: or shift the background to #1a1a1a (7.14:1)
Aaon black
8.62:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #37bf0d 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 #37bf0d
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 #37bf0d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37bf0d-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