Color

#4cd515

#4cd515
hex#4cd515
rgbrgb(76, 213, 21)
hslhsl(103, 82%, 46%)
oklchoklch(0.768 0.24 139.6)
Closest name: Blinking Terminal (#66cc00)Relative luminance 0.4918

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9f15d5

#acd515 · #15d53f

#154cd5 · #d5154c

Split-complementary

Open in tool →

#3f15d5 · #d515ac

#15acd5 · #9f15d5 · #d53f15

Contrast

#4cd515 as textRatioAAAA largeAAAFix
Aaon white
1.94:1failfailfail
  • AA: use #30870d as the text (4.57:1)
  • AAA: use #24660a as the text (7.05:1)
  • AA: or shift the background to #4a4a4a (4.57:1)
  • AAA: or shift the background to #2e2e2e (7.01:1)
Aaon black
10.84:1passpasspassPasses 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 #4cd515 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 #4cd515
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 #4cd515 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4cd515-a6bea2-704edf-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