Color

#34ef3d

#34ef3d
hex#34ef3d
rgbrgb(52, 239, 61)
hslhsl(123, 85%, 57%)
oklchoklch(0.831 0.258 143.3)
Closest name: Becquerel (#4bec13)Relative luminance 0.628

Colors that go with #34ef3d

Violet, Deep Sky Blue and Hot Pink 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 →

#ef34e5

#88ef34 · #34ef9b

#3d34ef · #ef3d34

Split-complementary

Open in tool →

#9b34ef · #ef3488

#3488ef · #ef34e5 · #ef9b34

Contrast

#34ef3d as textRatioAAAA largeAAAFix
Aaon white
1.55:1failfailfail
  • AA: use #0b8911 as the text (4.56:1)
  • AAA: use #08680d as the text (7.01:1)
  • AA: or shift the background to #595959 (4.52:1)
  • AAA: or shift the background to #3d3d3d (7.01:1)
Aaon black
13.56:1passpasspassPasses 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 #34ef3d 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 #34ef3d
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 #34ef3d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/34ef3d-a2bea6-a04edf-1f2d26-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