Color

#90ef25

#90ef25
hex#90ef25
rgbrgb(144, 239, 37)
hslhsl(88, 86%, 54%)
oklchoklch(0.86 0.233 133)
Closest name: lawngreen (#7cfc00)Relative luminance 0.678

Colors that go with #90ef25

Violet, Deep Sky Blue and Charcoal 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.

Real palettes that use #90ef25

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#8325ef

#efe825 · #2cef25

#2590ef · #ef2590

Split-complementary

Open in tool →

#252cef · #e825ef

#25efe8 · #8325ef · #ef252c

Contrast

#90ef25 as textRatioAAAA largeAAAFix
Aaon white
1.44:1failfailfail
  • AA: use #4b850a as the text (4.51:1)
  • AAA: use #396407 as the text (7:1)
  • AA: or shift the background to #5c5c5c (4.64:1)
  • AAA: or shift the background to #404040 (7.19:1)
Aaon black
14.56:1passpasspassPasses 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 #90ef25 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 #90ef25
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 #90ef25 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/90ef25-aebea2-4e51df-212d1f-f1f1e9?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