Color

#b3e920

#b3e920
hex#b3e920
rgbrgb(179, 233, 32)
hslhsl(76, 82%, 52%)
oklchoklch(0.865 0.211 125.1)
Closest name: Inchworm (#b2ec5d)Relative luminance 0.6797

Colors that go with #b3e920

Blue, Crimson and Red 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 →

#5620e9

#e9ba20 · #4fe920

#20b3e9 · #e920b3

Split-complementary

Open in tool →

#204fe9 · #ba20e9

#20e9ba · #5620e9 · #e9204f

Contrast

#b3e920 as textRatioAAAA largeAAAFix
Aaon white
1.44:1failfailfail
  • AA: use #5f7d0c as the text (4.75:1)
  • AAA: use #475d09 as the text (7.4:1)
  • AA: or shift the background to #5e5e5e (4.51:1)
  • AAA: or shift the background to #404040 (7.21:1)
Aaon black
14.59:1passpasspassPasses 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 #b3e920 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 #b3e920
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 #b3e920 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b3e920-b3bea2-4e6edf-232d1f-f1efe9?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