Color

#31e01a

#31e01a
hex#31e01a
rgbrgb(49, 224, 26)
hslhsl(113, 79%, 49%)
oklchoklch(0.79 0.257 141.8)
Closest name: Alarming Slime (#2ce335)Relative luminance 0.5404

Colors that go with #31e01a

Deep Sky 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 →

#c91ae0

#94e01a · #1ae066

#1a31e0 · #e01a31

Split-complementary

Open in tool →

#661ae0 · #e01a94

#1a94e0 · #c91ae0 · #e0661a

Contrast

#31e01a as textRatioAAAA largeAAAFix
Aaon white
1.78:1failfailfail
  • AA: use #1e8910 as the text (4.52:1)
  • AAA: use #16640c as the text (7.34:1)
  • AA: or shift the background to #4f4f4f (4.61:1)
  • AAA: or shift the background to #333333 (7.1:1)
Aaon black
11.81:1passpasspassPasses 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 #31e01a 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 #31e01a
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 #31e01a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/31e01a-a2bea2-884edf-1f2d24-eef1e9?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