Color
#90eac4
#90eac4rgb(144, 234, 196)hsl(155, 68%, 74%)oklch(0.87 0.102 165.4)Colors that go with #90eac4
Charcoal, Plum 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.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #90eac4: softer than #000 and cool enough to feel like part of the same palette.
Plum #dda0dd
complementaryshippedPlum sits directly opposite #90eac4 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Crimson #dc143c
shippedCrimson is paired with #90eac4 in 4 real palettes, including Formula 1's brand system and Tiffany & Co.'s brand system, as the supporting colour.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #90eac4: 8 real palettes, including Astro's brand system and Prime Video's brand system, as the supporting colour.
Midnight Blue #191970
shipped4 real palettes, including First Snow and Allbirds's brand system put Midnight Blue beside #90eac4, as the text colour against it.
Red #ff0000
shippedRed is paired with #90eac4 in 4 real palettes, including Wise's brand system and Mattel's brand system, as the lead colour.
Sage Green #9caf88
shippedDesigners have shipped Sage Green with #90eac4: 5 real palettes, including Pine & Birch and Stone, as the supporting colour.
Slate Gray #708090
shipped4 real palettes, including Ink Wash and Still Water put Slate Gray beside #90eac4, as the supporting colour.
Real palettes that use #90eac4
Tints & shades
Harmonies
Contrast
| #90eac4 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.42:1 | fail | fail | fail | |
Aaon black | 14.75:1 | pass | pass | pass | Passes 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 #90eac4 as the background.
Brands using this color
Fonts for this mood
#90eac4 reads as vivid, light, clean. The font library is tagged with the same vocabulary:
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.
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
›analyze #90eac4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/90eac4-a2beb6-d459c8-1f2d2d-e9f1ea?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md