Color

#a4e378

#a4e378
hex#a4e378
rgbrgb(164, 227, 120)
hslhsl(95, 66%, 68%)
oklchoklch(0.849 0.153 133.7)
Closest name: Last of Lettuce (#aadd66)Relative luminance 0.6419

Colors that go with #a4e378

Charcoal, Plum and Blue 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 →

#b678e3

#dae378 · #78e381

#78a4e3 · #e378a4

Split-complementary

Open in tool →

#8178e3 · #e378da

#78dae3 · #b678e3 · #e38178

Contrast

#a4e378 as textRatioAAAA largeAAAFix
Aaon white
1.52:1failfailfail
  • AA: use #46831b as the text (4.64:1)
  • AAA: use #346114 as the text (7.33:1)
  • AA: or shift the background to #595959 (4.62:1)
  • AAA: or shift the background to #3d3d3d (7.16:1)
Aaon black
13.84:1passpasspassPasses 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 #a4e378 as the background.

Brands using this color

mcpConnect your agent — build around #a4e378
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 #a4e378 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a4e378-aabea2-5d4edf-1f2d20-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