Color

#c4e00b

#c4e00b
hex#c4e00b
rgbrgb(196, 224, 11)
hslhsl(68, 91%, 46%)
oklchoklch(0.856 0.199 118.5)
Closest name: Bitter Lemon (#d2db32)Relative luminance 0.6507

Colors that go with #c4e00b

Charcoal, Cornflower Blue and Crimson 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 →

#270be0

#e0920b · #59e00b

#0bc4e0 · #e00bc4

Split-complementary

Open in tool →

#0b59e0 · #920be0

#0be092 · #270be0 · #e00b59

Contrast

#c4e00b as textRatioAAAA largeAAAFix
Aaon white
1.5:1failfailfail
  • AA: use #6a7a06 as the text (4.77:1)
  • AAA: use #515d04 as the text (7.2:1)
  • AA: or shift the background to #595959 (4.67:1)
  • AAA: or shift the background to #3d3d3d (7.25:1)
Aaon black
14.01:1passpasspassPasses 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 #c4e00b 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 #c4e00b
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 #c4e00b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c4e00b-b7bea2-4e81df-252d1f-f1eee9?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