Color

#31d33c

#31d33c
hex#31d33c
rgbrgb(49, 211, 60)
hslhsl(124, 65%, 51%)
oklchoklch(0.758 0.23 143.6)
Closest name: Lime Green (#32cd32)Relative luminance 0.4757

Colors that go with #31d33c

Blue, Taupe and Violet 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 →

#d331c8

#77d331 · #31d38d

#3c31d3 · #d33c31

Split-complementary

Open in tool →

#8d31d3 · #d33177

#3177d3 · #d331c8 · #d38d31

Contrast

#31d33c as textRatioAAAA largeAAAFix
Aaon white
2:1failfailfail
  • AA: use #1d8724 as the text (4.62:1)
  • AAA: use #15651b as the text (7.22:1)
  • AA: or shift the background to #474747 (4.65:1)
  • AAA: or shift the background to #2b2b2b (7.09:1)
Aaon black
10.51:1passpasspassPasses 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 #31d33c 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 #31d33c
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 #31d33c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/31d33c-a2bea7-a24edf-1f2d26-edf1e9?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