Color

#4eef5b

#4eef5b
hex#4eef5b
rgbrgb(78, 239, 91)
hslhsl(125, 83%, 62%)
oklchoklch(0.839 0.232 144.3)
Closest name: Becquerel (#4bec13)Relative luminance 0.6411

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ef4ee1

#91ef4e · #4eefac

#5b4eef · #ef5b4e

Split-complementary

Open in tool →

#ac4eef · #ef4e91

#4e91ef · #ef4ee1 · #efac4e

Contrast

#4eef5b as textRatioAAAA largeAAAFix
Aaon white
1.52:1failfailfail
  • AA: use #0d8717 as the text (4.67:1)
  • AAA: use #0a6711 as the text (7.09:1)
  • AA: or shift the background to #595959 (4.61:1)
  • AAA: or shift the background to #3d3d3d (7.15:1)
Aaon black
13.82:1passpasspassPasses 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 #4eef5b 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 #4eef5b
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #4eef5b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4eef5b-a2bea7-a54edf-1f2d26-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