Color

#31a810

#31a810
hex#31a810
rgbrgb(49, 168, 16)
hslhsl(107, 83%, 36%)
oklchoklch(0.641 0.204 140.6)
Closest name: Always Greener Grass (#11aa00)Relative luminance 0.287

Colors that go with #31a810

Blue, Dodger 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 →

#8710a8

#7da810 · #10a83b

#1031a8 · #a81031

Split-complementary

Open in tool →

#3b10a8 · #a8107d

#107da8 · #8710a8 · #a83b10

Contrast

#31a810 as textRatioAAAA largeAAAFix
Aaon white
3.12:1failpassfail
  • AA: use #27870d as the text (4.61:1)
  • AAA: use #1e670a as the text (7:1)
  • AA: or shift the background to #2b2b2b (4.54:1)
Aaon black
6.74:1passpassfail
  • AAA: use #32ad10 as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #31a810 as the background.

Brands using this color

mcpConnect your agent — build around #31a810
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 #31a810 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/31a810-a5bea2-7a4edf-1f2d22-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