Color

#31b80f

#31b80f
hex#31b80f
rgbrgb(49, 184, 15)
hslhsl(108, 85%, 39%)
oklchoklch(0.684 0.22 140.9)
Closest name: Green Glimmer (#00bb00)Relative luminance 0.3497

Colors that go with #31b80f

Taupe, Medium 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 →

#960fb8

#85b80f · #0fb842

#0f31b8 · #b80f31

Split-complementary

Open in tool →

#420fb8 · #b80f85

#0f85b8 · #960fb8 · #b8420f

Contrast

#31b80f as textRatioAAAA largeAAAFix
Aaon white
2.63:1failfailfail
  • AA: use #24890b as the text (4.51:1)
  • AAA: use #1a6308 as the text (7.41:1)
  • AA: or shift the background to #363636 (4.6:1)
  • AAA: or shift the background to #141414 (7.01:1)
Aaon black
7.99:1passpasspassPasses 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 #31b80f 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 #31b80f
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 #31b80f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/31b80f-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