Color

#1ce401

#1ce401
hex#1ce401
rgbrgb(28, 228, 1)
hslhsl(113, 99%, 45%)
oklchoklch(0.798 0.269 142.1)
Closest name: Alarming Slime (#2ce335)Relative luminance 0.5574

Colors that go with #1ce401

Taupe, Violet 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 →

#ca01e4

#8de401 · #01e458

#011ce4 · #e4011c

Split-complementary

Open in tool →

#5801e4 · #e4018d

#018de4 · #ca01e4 · #e45801

Contrast

#1ce401 as textRatioAAAA largeAAAFix
Aaon white
1.73:1failfailfail
  • AA: use #118901 as the text (4.56:1)
  • AAA: use #0c6501 as the text (7.3:1)
  • AA: or shift the background to #525252 (4.52:1)
  • AAA: or shift the background to #333333 (7.31:1)
Aaon black
12.15:1passpasspassPasses 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 #1ce401 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 #1ce401
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 #1ce401 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1ce401-a2bea2-884edf-1f2d24-eef1e9?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