Color

#b1f58e

#b1f58e
hex#b1f58e
rgbrgb(177, 245, 142)
hslhsl(100, 84%, 76%)
oklchoklch(0.901 0.15 135.7)
Closest name: Cucumber Milk (#c2f177)Relative luminance 0.766

Colors that go with #b1f58e

Plum, Blue and Charcoal 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 →

#d38ef5

#e4f58e · #8ef5a0

#8eb1f5 · #f58eb1

Split-complementary

Open in tool →

#a08ef5 · #f58ee4

#8ee4f5 · #d38ef5 · #f5a08e

Contrast

#b1f58e as textRatioAAAA largeAAAFix
Aaon white
1.29:1failfailfail
  • AA: use #33830b as the text (4.78:1)
  • AAA: use #276309 as the text (7.3:1)
  • AA: or shift the background to #636363 (4.67:1)
  • AAA: or shift the background to #474747 (7.22:1)
Aaon black
16.32:1passpasspassPasses 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 #b1f58e as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#b1f58e reads as vivid, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b1f58e
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 #b1f58e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b1f58e-a8bea2-694edf-1f2d21-f0f1e9?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