Color

#c5d515

#c5d515
hex#c5d515
rgbrgb(197, 213, 21)
hslhsl(65, 82%, 46%)
oklchoklch(0.833 0.186 115.2)
Closest name: Bitter Lemon (#d2db32)Relative luminance 0.5951

Colors that go with #c5d515

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 →

#2515d5

#d58515 · #65d515

#15c5d5 · #d515c5

Split-complementary

Open in tool →

#1565d5 · #8515d5

#15d585 · #2515d5 · #d51565

Contrast

#c5d515 as textRatioAAAA largeAAAFix
Aaon white
1.63:1failfailfail
  • AA: use #70790c as the text (4.74:1)
  • AAA: use #565d09 as the text (7.08:1)
  • 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 #c5d515 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 #c5d515
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 #c5d515 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c5d515-b8bea2-4e88df-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