Color

#31d35f

#31d35f
hex#31d35f
rgbrgb(49, 211, 95)
hslhsl(137, 65%, 51%)
oklchoklch(0.762 0.205 147.9)
Closest name: Battletoad (#11cc55)Relative luminance 0.4807

Colors that go with #31d35f

Blue, Royal Blue and Taupe 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 →

#d331a5

#54d331 · #31d3b0

#5f31d3 · #d35f31

Split-complementary

Open in tool →

#b031d3 · #d33154

#3154d3 · #d331a5 · #d3b031

Contrast

#31d35f as textRatioAAAA largeAAAFix
Aaon white
1.98:1failfailfail
  • AA: use #1d873b as the text (4.58:1)
  • AAA: use #15652c as the text (7.17:1)
  • AA: or shift the background to #474747 (4.7:1)
  • AAA: or shift the background to #2b2b2b (7.16:1)
Aaon black
10.61:1passpasspassPasses 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 #31d35f 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 #31d35f
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 #31d35f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/31d35f-a2bead-bb59d4-1f2d29-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