Color

#3dc507

#3dc507
hex#3dc507
rgbrgb(61, 197, 7)
hslhsl(103, 93%, 40%)
oklchoklch(0.721 0.231 140.1)
Closest name: Crude Banana (#21c40e)Relative luminance 0.4094

Colors that go with #3dc507

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 →

#8f07c5

#9cc507 · #07c530

#073dc5 · #c5073d

Split-complementary

Open in tool →

#3007c5 · #c5079c

#079cc5 · #8f07c5 · #c53007

Contrast

#3dc507 as textRatioAAAA largeAAAFix
Aaon white
2.29:1failfailfail
  • AA: use #298505 as the text (4.72:1)
  • AAA: use #1e6204 as the text (7.49:1)
  • 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 #3dc507 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 #3dc507
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 #3dc507 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3dc507-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