Color

#40c502

#40c502
hex#40c502
rgbrgb(64, 197, 2)
hslhsl(101, 98%, 39%)
oklchoklch(0.722 0.231 139.8)
Closest name: Crude Banana (#21c40e)Relative luminance 0.4103

Colors that go with #40c502

Blue, 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 →

#8702c5

#a1c502 · #02c526

#0240c5 · #c50240

Split-complementary

Open in tool →

#2602c5 · #c502a1

#02a1c5 · #8702c5 · #c52602

Contrast

#40c502 as textRatioAAAA largeAAAFix
Aaon white
2.28:1failfailfail
  • AA: use #2c8801 as the text (4.54:1)
  • AAA: use #216501 as the text (7.18:1)
  • AA: or shift the background to #404040 (4.54:1)
  • AAA: or shift the background to #212121 (7.06:1)
Aaon black
9.21:1passpasspassPasses 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 #40c502 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 #40c502
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 #40c502 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40c502-a7bea2-6b4edf-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