Color

#4ec431

#4ec431
hex#4ec431
rgbrgb(78, 196, 49)
hslhsl(108, 60%, 48%)
oklchoklch(0.725 0.21 140.2)
Closest name: Frog (#58bc08)Relative luminance 0.4132

Colors that go with #4ec431

Blue, Charcoal and Royal 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 →

#a631c4

#98c431 · #31c45d

#314ec4 · #c4314e

Split-complementary

Open in tool →

#5d31c4 · #c43198

#3198c4 · #a631c4 · #c45d31

Contrast

#4ec431 as textRatioAAAA largeAAAFix
Aaon white
2.27:1failfailfail
  • AA: use #368722 as the text (4.52:1)
  • AAA: use #276218 as the text (7.38:1)
  • AA: or shift the background to #404040 (4.57:1)
  • AAA: or shift the background to #212121 (7.1:1)
Aaon black
9.26:1passpasspassPasses 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 #4ec431 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 #4ec431
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 #4ec431 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4ec431-a4bea2-7c4edf-1f2d23-eff1e9?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