Color

#a4f631

#a4f631
hex#a4f631
rgbrgb(164, 246, 49)
hslhsl(85, 92%, 58%)
oklchoklch(0.887 0.227 130.7)
Closest name: greenyellow (#adff2f)Relative luminance 0.7403

Colors that go with #a4f631

Violet, 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 →

#8331f6

#f6e631 · #42f631

#31a4f6 · #f631a4

Split-complementary

Open in tool →

#3142f6 · #e631f6

#31f6e6 · #8331f6 · #f63142

Contrast

#a4f631 as textRatioAAAA largeAAAFix
Aaon white
1.33:1failfailfail
  • AA: use #4f8406 as the text (4.53:1)
  • AAA: use #3b6204 as the text (7.16:1)
  • AA: or shift the background to #636363 (4.52:1)
  • AAA: or shift the background to #454545 (7.22:1)
Aaon black
15.81:1passpasspassPasses 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 #a4f631 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 #a4f631
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 #a4f631 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a4f631-afbea2-4e58df-212d1f-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