Color

#43fa3d

#43fa3d
hex#43fa3d
rgbrgb(67, 250, 61)
hslhsl(118, 95%, 61%)
oklchoklch(0.862 0.266 142.5)
Closest name: Cathode Green (#00ff55)Relative luminance 0.699

Colors that go with #43fa3d

Violet, Hot Pink and 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 →

#f43dfa

#a2fa3d · #3dfa95

#3d43fa · #fa3d43

Split-complementary

Open in tool →

#953dfa · #fa3da2

#3da2fa · #f43dfa · #fa953d

Contrast

#43fa3d as textRatioAAAA largeAAAFix
Aaon white
1.4:1failfailfail
  • AA: use #088603 as the text (4.75:1)
  • AAA: use #066803 as the text (7.03:1)
  • AA: or shift the background to #5e5e5e (4.63:1)
  • AAA: or shift the background to #424242 (7.17:1)
Aaon black
14.98:1passpasspassPasses 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 #43fa3d 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 #43fa3d
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 #43fa3d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/43fa3d-a2bea4-944edf-1f2d25-edf1e9?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