Color

#37fb78

#37fb78
hex#37fb78
rgbrgb(55, 251, 120)
hslhsl(140, 96%, 60%)
oklchoklch(0.868 0.23 149)
Closest name: springgreen (#00ff7f)Relative luminance 0.7116

Colors that go with #37fb78

Violet, Deep Sky Blue 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 →

#fb37ba

#58fb37 · #37fbda

#7837fb · #fb7837

Split-complementary

Open in tool →

#da37fb · #fb3758

#3758fb · #fb37ba · #fbda37

Contrast

#37fb78 as textRatioAAAA largeAAAFix
Aaon white
1.38:1failfailfail
  • AA: use #03872f as the text (4.66:1)
  • AAA: use #026423 as the text (7.37:1)
  • AA: or shift the background to #5e5e5e (4.7:1)
  • AAA: or shift the background to #424242 (7.29:1)
Aaon black
15.23:1passpasspassPasses 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 #37fb78 as the background.

Brands using this color

mcpConnect your agent — build around #37fb78
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 #37fb78 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37fb78-a2beaf-c259d4-1f2d2a-ebf1e9?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