Color

#43d651

#43d651
hex#43d651
rgbrgb(67, 214, 81)
hslhsl(126, 64%, 55%)
oklchoklch(0.772 0.214 144.5)
Closest name: Green Priestess (#11dd55)Relative luminance 0.4988

Colors that go with #43d651

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 →

#d643c7

#7ed643 · #43d69b

#5143d6 · #d65143

Split-complementary

Open in tool →

#9b43d6 · #d6437e

#437ed6 · #d643c7 · #d69b43

Contrast

#43d651 as textRatioAAAA largeAAAFix
Aaon white
1.91:1failfailfail
  • AA: use #1d8628 as the text (4.67:1)
  • AAA: use #16641e as the text (7.3:1)
  • AA: or shift the background to #4a4a4a (4.63:1)
  • AAA: or shift the background to #2e2e2e (7.1:1)
Aaon black
10.98:1passpasspassPasses 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 #43d651 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 #43d651
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 #43d651 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/43d651-a2bea8-a74edf-1f2d27-ecf1e9?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