Color

#c3d520

#c3d520
hex#c3d520
rgbrgb(195, 213, 32)
hslhsl(66, 74%, 48%)
oklchoklch(0.831 0.183 115.9)
Closest name: Bitter Lemon (#d2db32)Relative luminance 0.5929

Colors that go with #c3d520

Charcoal, Cornflower Blue and 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 →

#3220d5

#d58d20 · #68d520

#20c3d5 · #d520c3

Split-complementary

Open in tool →

#2068d5 · #8d20d5

#20d58d · #3220d5 · #d52068

Contrast

#c3d520 as textRatioAAAA largeAAAFix
Aaon white
1.63:1failfailfail
  • AA: use #727c13 as the text (4.56:1)
  • AAA: use #555d0e as the text (7.1:1)
  • AA: or shift the background to #545454 (4.64:1)
  • AAA: or shift the background to #383838 (7.18:1)
Aaon black
12.86:1passpasspassPasses 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 #c3d520 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 #c3d520
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 #c3d520 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c3d520-b8bea2-4e86df-262d1f-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