Color

#43dc18

#43dc18
hex#43dc18
rgbrgb(67, 220, 24)
hslhsl(107, 80%, 48%)
oklchoklch(0.784 0.249 140.6)
Closest name: Alarming Slime (#2ce335)Relative luminance 0.5245

Colors that go with #43dc18

Deep Sky Blue, Taupe and Violet 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 →

#b218dc

#a5dc18 · #18dc50

#1843dc · #dc1843

Split-complementary

Open in tool →

#5018dc · #dc18a5

#18a5dc · #b218dc · #dc5018

Contrast

#43dc18 as textRatioAAAA largeAAAFix
Aaon white
1.83:1failfailfail
  • AA: use #28850f as the text (4.72:1)
  • AAA: use #1f650b as the text (7.18:1)
  • AA: or shift the background to #4d4d4d (4.62:1)
  • AAA: or shift the background to #303030 (7.22:1)
Aaon black
11.49:1passpasspassPasses 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 #43dc18 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 #43dc18
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 #43dc18 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/43dc18-a5bea2-7a4edf-1f2d22-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