Color

#4bf245

#4bf245
hex#4bf245
rgbrgb(75, 242, 69)
hslhsl(118, 87%, 61%)
oklchoklch(0.844 0.251 142.5)
Closest name: Becquerel (#4bec13)Relative luminance 0.6543

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ec45f2

#a1f245 · #45f296

#454bf2 · #f2454b

Split-complementary

Open in tool →

#9645f2 · #f245a1

#45a1f2 · #ec45f2 · #f29645

Contrast

#4bf245 as textRatioAAAA largeAAAFix
Aaon white
1.49:1failfailfail
  • AA: use #0e8a0a as the text (4.51:1)
  • AAA: use #0a6407 as the text (7.4:1)
  • AA: or shift the background to #595959 (4.7:1)
  • AAA: or shift the background to #3d3d3d (7.29:1)
Aaon black
14.09:1passpasspassPasses 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 #4bf245 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 #4bf245
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 #4bf245 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4bf245-a2bea4-944edf-1f2d25-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