Color

#31bf75

#31bf75
hex#31bf75
rgbrgb(49, 191, 117)
hslhsl(149, 59%, 47%)
oklchoklch(0.713 0.16 155.2)
Closest name: Fennel Fiesta (#00bb77)Relative luminance 0.392

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#bf317a

#33bf31 · #31bfbc

#7531bf · #bf7531

Split-complementary

Open in tool →

#bc31bf · #bf3133

#3133bf · #bf317a · #bfbc31

Contrast

#31bf75 as textRatioAAAA largeAAAFix
Aaon white
2.38:1failfailfail
  • AA: use #238652 as the text (4.56:1)
  • AAA: use #1a653e as the text (7.06:1)
  • AA: or shift the background to #3d3d3d (4.57:1)
  • AAA: or shift the background to #1c1c1c (7.17:1)
Aaon black
8.84:1passpasspassPasses 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 #31bf75 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 #31bf75
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #31bf75 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/31bf75-a2beb3-d459d4-1f2d2c-e9f1e9?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