Color

#b4d978

#b4d978
hex#b4d978
rgbrgb(180, 217, 120)
hslhsl(83, 56%, 66%)
oklchoklch(0.837 0.131 126.2)
Closest name: Feijoa (#a5d785)Relative luminance 0.6069

Colors that go with #b4d978

Charcoal, Sky Blue and Lilac 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 →

#9d78d9

#d9ce78 · #83d978

#78b4d9 · #d978b4

Split-complementary

Open in tool →

#7883d9 · #ce78d9

#78d9ce · #9d78d9 · #d97883

Contrast

#b4d978 as textRatioAAAA largeAAAFix
Aaon white
1.6:1failfailfail
  • AA: use #5c7f24 as the text (4.65:1)
  • AAA: use #455f1b as the text (7.23:1)
  • AA: or shift the background to #575757 (4.52:1)
  • AAA: or shift the background to #3b3b3b (7.01:1)
Aaon black
13.14:1passpasspassPasses 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 #b4d978 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 #b4d978
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 #b4d978 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b4d978-b0bea2-4e5ddf-222d1f-f1f0e9?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