Color

#cee538

#cee538
hex#cee538
rgbrgb(206, 229, 56)
hslhsl(68, 77%, 56%)
oklchoklch(0.876 0.186 117.2)
Closest name: Bitter Lemon (#d2db32)Relative luminance 0.6945

Colors that go with #cee538

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 →

#4f38e5

#e5a638 · #78e538

#38cee5 · #e538ce

Split-complementary

Open in tool →

#3878e5 · #a638e5

#38e5a6 · #4f38e5 · #e53878

Contrast

#cee538 as textRatioAAAA largeAAAFix
Aaon white
1.41:1failfailfail
  • AA: use #6c7a10 as the text (4.74:1)
  • AAA: use #505a0c as the text (7.48:1)
  • AA: or shift the background to #5e5e5e (4.6:1)
  • AAA: or shift the background to #424242 (7.13:1)
Aaon black
14.89:1passpasspassPasses 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 #cee538 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 #cee538
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 #cee538 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cee538-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