Color

#90ca1c

#90ca1c
hex#90ca1c
rgbrgb(144, 202, 28)
hslhsl(80, 76%, 45%)
oklchoklch(0.77 0.194 127.9)
Closest name: Bergamot (#95c703)Relative luminance 0.4825

Colors that go with #90ca1c

Taupe, Violet 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 →

#561cca

#caad1c · #39ca1c

#1c90ca · #ca1c90

Split-complementary

Open in tool →

#1c39ca · #ad1cca

#1ccaad · #561cca · #ca1c39

Contrast

#90ca1c as textRatioAAAA largeAAAFix
Aaon white
1.97:1failfailfail
  • AA: use #597e11 as the text (4.75:1)
  • AAA: use #435e0d as the text (7.38:1)
  • AA: or shift the background to #474747 (4.71:1)
  • AAA: or shift the background to #2b2b2b (7.18:1)
Aaon black
10.65:1passpasspassPasses 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 #90ca1c 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 #90ca1c
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 #90ca1c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/90ca1c-b1bea2-4e64df-232d1f-f1f0e9?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