Color

#4ef45e

#4ef45e
hex#4ef45e
rgbrgb(78, 244, 94)
hslhsl(126, 88%, 63%)
oklchoklch(0.852 0.236 144.6)
Closest name: Experimintal Green (#4cff7b)Relative luminance 0.6713

Colors that go with #4ef45e

Violet, Hot Pink and Plum 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.

Real palettes that use #4ef45e

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#f44ee3

#90f44e · #4ef4b1

#5e4ef4 · #f45e4e

Split-complementary

Open in tool →

#b14ef4 · #f44e90

#4e90f4 · #f44ee3 · #f4b14e

Contrast

#4ef45e as textRatioAAAA largeAAAFix
Aaon white
1.46:1failfailfail
  • AA: use #098615 as the text (4.74:1)
  • AAA: use #066510 as the text (7.3:1)
  • AA: or shift the background to #5c5c5c (4.59:1)
  • AAA: or shift the background to #404040 (7.12:1)
Aaon black
14.43:1passpasspassPasses 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 #4ef45e 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 #4ef45e
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 #4ef45e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4ef45e-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