Color

#cddb39

#cddb39
hex#cddb39
rgbrgb(205, 219, 57)
hslhsl(65, 69%, 54%)
oklchoklch(0.853 0.176 114.5)
Closest name: Bitter Lemon (#d2db32)Relative luminance 0.6394

Colors that go with #cddb39

Charcoal, Cornflower Blue and Plum 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 →

#4639db

#db9739 · #7cdb39

#39cddb · #db39cd

Split-complementary

Open in tool →

#397cdb · #9739db

#39db97 · #4639db · #db397c

Contrast

#cddb39 as textRatioAAAA largeAAAFix
Aaon white
1.52:1failfailfail
  • AA: use #707916 as the text (4.73:1)
  • AAA: use #545a11 as the text (7.37:1)
  • AA: or shift the background to #595959 (4.6:1)
  • AAA: or shift the background to #3d3d3d (7.13:1)
Aaon black
13.79:1passpasspassPasses 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 #cddb39 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 #cddb39
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 #cddb39 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cddb39-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