Color

#30ea0b

#30ea0b
hex#30ea0b
rgbrgb(48, 234, 11)
hslhsl(110, 91%, 48%)
oklchoklch(0.816 0.27 141.6)
Closest name: Becquerel (#4bec13)Relative luminance 0.595

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c50bea

#a0ea0b · #0bea55

#0b30ea · #ea0b30

Split-complementary

Open in tool →

#550bea · #ea0ba0

#0ba0ea · #c50bea · #ea550b

Contrast

#30ea0b as textRatioAAAA largeAAAFix
Aaon white
1.63:1failfailfail
  • AA: use #1c8806 as the text (4.59:1)
  • AAA: use #156605 as the text (7.16:1)
  • AA: or shift the background to #545454 (4.65:1)
  • AAA: or shift the background to #383838 (7.2:1)
Aaon black
12.9:1passpasspassPasses 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 #30ea0b 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 #30ea0b
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 #30ea0b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/30ea0b-a3bea2-814edf-1f2d23-eef1e9?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