Color

#43efa4

#43efa4
hex#43efa4
rgbrgb(67, 239, 164)
hslhsl(154, 84%, 60%)
oklchoklch(0.848 0.174 159.6)
Closest name: Hyperpop Green (#17f9a6)Relative luminance 0.6561

Colors that go with #43efa4

Taupe, Violet and Charcoal 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 →

#ef438e

#43ef4f · #43e3ef

#a443ef · #efa443

Split-complementary

Open in tool →

#ef43e3 · #ef4f43

#4f43ef · #ef438e · #e3ef43

Contrast

#43efa4 as textRatioAAAA largeAAAFix
Aaon white
1.49:1failfailfail
  • AA: use #0c8852 as the text (4.51:1)
  • AAA: use #09633c as the text (7.34:1)
  • AA: or shift the background to #595959 (4.71:1)
  • AAA: or shift the background to #3d3d3d (7.3:1)
Aaon black
14.12:1passpasspassPasses 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 #43efa4 as the background.

Brands using this color

mcpConnect your agent — build around #43efa4
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 #43efa4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/43efa4-a2beb5-d459ca-1f2d2d-e9f1ea?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