Color

#30c021

#30c021
hex#30c021
rgbrgb(48, 192, 33)
hslhsl(114, 71%, 44%)
oklchoklch(0.706 0.223 141.9)
Closest name: Crude Banana (#21c40e)Relative luminance 0.3844

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b021c0

#80c021 · #21c060

#2130c0 · #c02130

Split-complementary

Open in tool →

#6021c0 · #c02180

#2180c0 · #b021c0 · #c06021

Contrast

#30c021 as textRatioAAAA largeAAAFix
Aaon white
2.42:1failfailfail
  • AA: use #228717 as the text (4.62:1)
  • AAA: use #196411 as the text (7.31:1)
  • AA: or shift the background to #3b3b3b (4.63:1)
  • AAA: or shift the background to #1c1c1c (7.05:1)
Aaon black
8.69:1passpasspassPasses 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 #30c021 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 #30c021
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 #30c021 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/30c021-a2bea2-8a4edf-1f2d24-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