Color

#b8f028

#b8f028
hex#b8f028
rgbrgb(184, 240, 40)
hslhsl(77, 87%, 55%)
oklchoklch(0.885 0.214 125.3)
Closest name: Chartreuse (#c1f80a)Relative luminance 0.7266

Colors that go with #b8f028

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 →

#6128f0

#f0c528 · #54f028

#28b8f0 · #f028b8

Split-complementary

Open in tool →

#2854f0 · #c528f0

#28f0c5 · #6128f0 · #f02854

Contrast

#b8f028 as textRatioAAAA largeAAAFix
Aaon white
1.35:1failfailfail
  • AA: use #5f8109 as the text (4.54:1)
  • AAA: use #465f07 as the text (7.24:1)
  • AA: or shift the background to #616161 (4.58:1)
  • AAA: or shift the background to #454545 (7.09:1)
Aaon black
15.53:1passpasspassPasses 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 #b8f028 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 #b8f028
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 #b8f028 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b8f028-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