Color

#31fc75

#31fc75
hex#31fc75
rgbrgb(49, 252, 117)
hslhsl(140, 97%, 59%)
oklchoklch(0.87 0.235 148.7)
Closest name: springgreen (#00ff7f)Relative luminance 0.7156

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fc31b8

#53fc31 · #31fcda

#7531fc · #fc7531

Split-complementary

Open in tool →

#da31fc · #fc3153

#3153fc · #fc31b8 · #fcda31

Contrast

#31fc75 as textRatioAAAA largeAAAFix
Aaon white
1.37:1failfailfail
  • AA: use #02882f as the text (4.6:1)
  • AAA: use #026423 as the text (7.37:1)
  • AA: or shift the background to #616161 (4.52:1)
  • AAA: or shift the background to #424242 (7.33:1)
Aaon black
15.31:1passpasspassPasses 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 #31fc75 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 #31fc75
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 #31fc75 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/31fc75-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