Color

#40c70a

#40c70a
hex#40c70a
rgbrgb(64, 199, 10)
hslhsl(103, 90%, 41%)
oklchoklch(0.728 0.232 140)
Closest name: Candy Green (#33cc00)Relative luminance 0.4196

Colors that go with #40c70a

Blue, Charcoal 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 →

#910ac7

#9ec70a · #0ac733

#0a40c7 · #c70a40

Split-complementary

Open in tool →

#330ac7 · #c70a9e

#0a9ec7 · #910ac7 · #c7330a

Contrast

#40c70a as textRatioAAAA largeAAAFix
Aaon white
2.24:1failfailfail
  • AA: use #2c8807 as the text (4.53:1)
  • AAA: use #216605 as the text (7.08:1)
  • AA: or shift the background to #404040 (4.64:1)
  • AAA: or shift the background to #212121 (7.2:1)
Aaon black
9.39:1passpasspassPasses 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 #40c70a 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 #40c70a
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 #40c70a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40c70a-a6bea2-704edf-1f2d21-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