Pastel Pop
Open in tool →Pastels pushed to the saturated end — pink, sky and lemon — for brands that want soft AND loud.
Color
#90cff4
#90cff4
hex
#90cff4rgb
rgb(144, 207, 244)hsl
hsl(202, 82%, 76%)oklch
oklch(0.825 0.083 234.9)Closest name: lightskyblue (#87cefa)Relative luminance 0.5709
Colors that go with #90cff4
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.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #90cff4: softer than #000 and cool enough to feel like part of the same palette.
Cornflower Blue #6495ed
analogousshippedCornflower Blue is #90cff4's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Crimson #dc143c
shippedCrimson is paired with #90cff4 in 5 real palettes, including Frost & Ember and Tiffany & Co.'s brand system, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #90cff4: 4 real palettes, including UEFA's brand system and Nikon's brand system, as the accent.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #90cff4: 4 real palettes, including Opensea's brand system and Patreon's brand system, as the lead colour.
Midnight Blue #191970
shipped6 real palettes, including Telehealth and Blue Mono put Midnight Blue beside #90cff4, as the text colour against it.
Slate Gray #708090
shipped7 real palettes, including Dusty Blue and Still Water put Slate Gray beside #90cff4, as the lead colour.
Taupe #483c32
shippedTaupe is paired with #90cff4 in 23 real palettes, including Boeing's brand system and Macaron, as the text colour against it.
Real palettes that use #90cff4
Tints & shades
Harmonies
Contrast
| #90cff4 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.69:1 | fail | fail | fail | |
Aaon black | 12.42:1 | 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 #90cff4 as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#90cff4 reads as cool, vivid, light. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #90cff4
live endpointPoint 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.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #90cff4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/90cff4-9cb1c4-df4e5f-1f222d-e9f1f0?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