Color

#4ef202

#4ef202
hex#4ef202
rgbrgb(78, 242, 2)
hslhsl(101, 98%, 48%)
oklchoklch(0.842 0.27 140)
Closest name: Becquerel (#4bec13)Relative luminance 0.6513

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a602f2

#c6f202 · #02f22e

#024ef2 · #f2024e

Split-complementary

Open in tool →

#2e02f2 · #f202c6

#02c6f2 · #a602f2 · #f22e02

Contrast

#4ef202 as textRatioAAAA largeAAAFix
Aaon white
1.5:1failfailfail
  • AA: use #2c8801 as the text (4.54:1)
  • AAA: use #216501 as the text (7.18:1)
  • AA: or shift the background to #595959 (4.68:1)
  • AAA: or shift the background to #3d3d3d (7.25:1)
Aaon black
14.03:1passpasspassPasses 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 #4ef202 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 #4ef202
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 #4ef202 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4ef202-a7bea2-6b4edf-1f2d21-eff1e9?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