Color

#38c511

#38c511
hex#38c511
rgbrgb(56, 197, 17)
hslhsl(107, 84%, 42%)
oklchoklch(0.72 0.231 140.7)
Closest name: Crude Banana (#21c40e)Relative luminance 0.4081

Colors that go with #38c511

Blue, Charcoal and Royal Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9e11c5

#92c511 · #11c544

#1138c5 · #c51138

Split-complementary

Open in tool →

#4411c5 · #c51192

#1192c5 · #9e11c5 · #c54411

Contrast

#38c511 as textRatioAAAA largeAAAFix
Aaon white
2.29:1failfailfail
  • AA: use #27880c as the text (4.55:1)
  • AAA: use #1d6709 as the text (7.01:1)
  • AA: or shift the background to #404040 (4.52:1)
  • AAA: or shift the background to #212121 (7.03:1)
Aaon black
9.16:1passpasspassPasses 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 #38c511 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 #38c511
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #38c511 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/38c511-a5bea2-7a4edf-1f2d22-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