Color

#31bc0b

#31bc0b
hex#31bc0b
rgbrgb(49, 188, 11)
hslhsl(107, 89%, 39%)
oklchoklch(0.695 0.225 140.9)
Closest name: Green Glimmer (#00bb00)Relative luminance 0.3664

Colors that go with #31bc0b

Taupe, 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 →

#960bbc

#8abc0b · #0bbc3d

#0b31bc · #bc0b31

Split-complementary

Open in tool →

#3d0bbc · #bc0b8a

#0b8abc · #960bbc · #bc3d0b

Contrast

#31bc0b as textRatioAAAA largeAAAFix
Aaon white
2.52:1failfailfail
  • AA: use #238708 as the text (4.62:1)
  • AAA: use #1b6506 as the text (7.21:1)
  • AA: or shift the background to #383838 (4.65:1)
  • AAA: or shift the background to #171717 (7.11:1)
Aaon black
8.33:1passpasspassPasses 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 #31bc0b 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 #31bc0b
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 #31bc0b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/31bc0b-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