Color

#bbf820

#bbf820
hex#bbf820
rgbrgb(187, 248, 32)
hslhsl(77, 94%, 55%)
oklchoklch(0.905 0.224 125.9)
Closest name: Chartreuse (#c1f80a)Relative luminance 0.778

Colors that go with #bbf820

Crimson, Red and Plum 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 →

#5e20f8

#f8c920 · #4ff820

#20bbf8 · #f820bb

Split-complementary

Open in tool →

#204ff8 · #c920f8

#20f8c9 · #5e20f8 · #f8204f

Contrast

#bbf820 as textRatioAAAA largeAAAFix
Aaon white
1.27:1failfailfail
  • AA: use #5d8104 as the text (4.56:1)
  • AAA: use #445e03 as the text (7.37:1)
  • AA: or shift the background to #666666 (4.53:1)
  • AAA: or shift the background to #474747 (7.33:1)
Aaon black
16.56:1passpasspassPasses 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 #bbf820 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 #bbf820
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 #bbf820 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bbf820-b3bea2-4e6bdf-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