Color

#c8d539

#c8d539
hex#c8d539
rgbrgb(200, 213, 57)
hslhsl(65, 65%, 53%)
oklchoklch(0.836 0.171 114.3)
Closest name: Bitter Lemon (#d2db32)Relative luminance 0.6016

Colors that go with #c8d539

Charcoal, Cornflower Blue and Deep Sky 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 →

#4639d5

#d59439 · #7ad539

#39c8d5 · #d539c8

Split-complementary

Open in tool →

#397ad5 · #9439d5

#39d594 · #4639d5 · #d5397a

Contrast

#c8d539 as textRatioAAAA largeAAAFix
Aaon white
1.61:1failfailfail
  • AA: use #727a1a as the text (4.65:1)
  • AAA: use #565d14 as the text (7.07:1)
  • AA: or shift the background to #545454 (4.7:1)
  • AAA: or shift the background to #383838 (7.28:1)
Aaon black
13.03:1passpasspassPasses 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 #c8d539 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 #c8d539
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 #c8d539 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c8d539-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