Color

#4ac403

#4ac403
hex#4ac403
rgbrgb(74, 196, 3)
hslhsl(98, 97%, 39%)
oklchoklch(0.722 0.226 138.8)
Closest name: Crude Banana (#21c40e)Relative luminance 0.4094

Colors that go with #4ac403

Charcoal, Royal Blue and Taupe 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 →

#7d03c4

#aac403 · #03c41d

#034ac4 · #c4034a

Split-complementary

Open in tool →

#1d03c4 · #c403aa

#03aac4 · #7d03c4 · #c41d03

Contrast

#4ac403 as textRatioAAAA largeAAAFix
Aaon white
2.29:1failfailfail
  • AA: use #338802 as the text (4.5:1)
  • AAA: use #266402 as the text (7.23:1)
  • AA: or shift the background to #404040 (4.54:1)
  • AAA: or shift the background to #212121 (7.05:1)
Aaon black
9.19:1passpasspassPasses 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 #4ac403 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 #4ac403
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 #4ac403 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4ac403-a9bea2-644edf-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