Color

#2aef5b

#2aef5b
hex#2aef5b
rgbrgb(42, 239, 91)
hslhsl(135, 86%, 55%)
oklchoklch(0.833 0.241 146.3)
Closest name: Becquerel (#4bec13)Relative luminance 0.6298

Colors that go with #2aef5b

Taupe, Violet and Deep Sky 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 →

#ef2abe

#5bef2a · #2aefbe

#5b2aef · #ef5b2a

Split-complementary

Open in tool →

#be2aef · #ef2a5b

#2a5bef · #ef2abe · #efbe2a

Contrast

#2aef5b as textRatioAAAA largeAAAFix
Aaon white
1.54:1failfailfail
  • AA: use #0a8529 as the text (4.77:1)
  • AAA: use #07641f as the text (7.36:1)
  • AA: or shift the background to #595959 (4.54:1)
  • AAA: or shift the background to #3d3d3d (7.03:1)
Aaon black
13.6:1passpasspassPasses 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 #2aef5b as the background.

Brands using this color

mcpConnect your agent — build around #2aef5b
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 #2aef5b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2aef5b-a2beac-b759d4-1f2d29-ebf1e9?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