Color

#b3fc69

#b3fc69
hex#b3fc69
rgbrgb(179, 252, 105)
hslhsl(90, 96%, 70%)
oklchoklch(0.914 0.193 131.4)
Closest name: Cucumber Milk (#c2f177)Relative luminance 0.8022

Colors that go with #b3fc69

Violet, Blue and Gold 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 →

#b369fc

#fcfc69 · #69fc69

#69b3fc · #fc69b3

Split-complementary

Open in tool →

#6969fc · #fc69fc

#69fcfc · #b369fc · #fc6969

Contrast

#b3fc69 as textRatioAAAA largeAAAFix
Aaon white
1.23:1failfailfail
  • AA: use #428203 as the text (4.74:1)
  • AAA: use #336402 as the text (7.08:1)
  • AA: or shift the background to #666666 (4.66:1)
  • AAA: or shift the background to #4a4a4a (7.19:1)
Aaon black
17.04:1passpasspassPasses 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 #b3fc69 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

#b3fc69 reads as vivid, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b3fc69
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 #b3fc69 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b3fc69-adbea2-514edf-202d1f-f1f1e9?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